{"total":296,"page":1,"per_page":100,"items":[{"id":250,"slug":"sydney-canopy-baseline-15-5","country":"AU","region":"NSW","locality":"Sydney","scope":"local","topic":"canopy","statement":"The City of Sydney's tree canopy covered 15.5% of the local government area in 2008, the baseline for its urban forest strategy.","value":15.5,"unit":"% canopy","year":2008,"source_name":"City of Sydney, Urban Forest Strategy","source_url":"https://www.cityofsydney.nsw.gov.au/strategies-action-plans/urban-forest-strategy","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":251,"slug":"sydney-canopy-targets-23-27","country":"AU","region":"NSW","locality":"Sydney","scope":"local","topic":"canopy","statement":"The City of Sydney aims for 23% canopy cover by 2030 and 27% by 2050.","value":27,"unit":"% canopy target","year":2050,"source_name":"City of Sydney, Urban Forest Strategy","source_url":"https://www.cityofsydney.nsw.gov.au/strategies-action-plans/urban-forest-strategy","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":252,"slug":"sydney-heatwave-uhi-4c","country":"AU","region":"NSW","locality":"Sydney","scope":"local","topic":"cooling","statement":"During a 2020 heatwave, Greater Sydney's night-time surface heat island intensified by about 4°C, while forests stored far less heat thanks to transpiration and albedo.","value":4,"unit":"°C","year":2023,"source_name":"Science of the Total Environment 2023, 'Understanding the impact of heatwave on urban heat in greater Sydney'","source_url":"https://europepmc.org/article/MED/37640068","method_note":"WRF model at 250 m resolution","audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":253,"slug":"melbourne-80000-council-trees","country":"AU","region":"VIC","locality":"Melbourne","scope":"local","topic":"canopy","statement":"The City of Melbourne maintains more than 80,000 trees in its urban forest, each mapped with species and dimensions in open data.","value":80000,"unit":"trees","year":2026,"source_name":"City of Melbourne Open Data, Trees with species and dimensions (Urban Forest)","source_url":"https://data.melbourne.vic.gov.au/explore/dataset/trees-with-species-and-dimensions-urban-forest/information/","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":273,"slug":"saopaulo-street-trees-652000","country":"BR","region":"SP","locality":"São Paulo","scope":"local","topic":"survival","statement":"São Paulo has about 652,000 street trees, and 7,034 of them fell over a three-year period, mostly during wet-season storms, pointing to the need for better pruning and root space.","value":652000,"unit":"street trees","year":2022,"source_name":"Trees - Structure and Function 2022, 'Climate drivers of tree fall on the streets of São Paulo'","source_url":"https://doi.org/10.1007/s00468-021-02145-4","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":220,"slug":"toronto-canopy-28-percent","country":"CA","region":"ON","locality":"Toronto","scope":"local","topic":"canopy","statement":"Toronto's tree canopy covers about 28% of the city.","value":28,"unit":"% canopy","year":2026,"source_name":"City of Toronto, Trees","source_url":"https://www.toronto.ca/services-payments/water-environment/trees/","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":221,"slug":"toronto-canopy-goal-40-2050","country":"CA","region":"ON","locality":"Toronto","scope":"local","topic":"canopy","statement":"Toronto aims to raise its tree canopy from 28% to 40% by 2050.","value":40,"unit":"% canopy target","year":2050,"source_name":"City of Toronto, Trees","source_url":"https://www.toronto.ca/services-payments/water-environment/trees/","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":222,"slug":"toronto-10-trees-health-kardan","country":"CA","region":"ON","locality":"Toronto","scope":"local","topic":"health","statement":"In Toronto, having 10 more trees on a city block improves residents' self-reported health as much as a $10,000 rise in annual income or being 7 years younger.","value":10,"unit":"trees/block","year":2015,"source_name":"Kardan et al. 2015, Scientific Reports, 'Neighborhood greenspace and health in a large urban center'","source_url":"https://europepmc.org/article/MED/26158911","method_note":"Ontario Health Study survey linked to tree inventory and satellite data","audience":"[\"homeowner\",\"renter\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":236,"slug":"berlin-street-trees-439000","country":"DE","region":"BE","locality":"Berlin","scope":"local","topic":"canopy","statement":"Berlin has more than 439,000 street trees, an average of about 80 trees per kilometre of city street (up from 73 per km in 1990).","value":439000,"unit":"street trees","year":2025,"source_name":"Berlin Senate Department for Mobility, Transport, Climate Protection and Environment, Stadtbäume","source_url":"https://www.berlin.de/sen/uvk/natur-und-gruen/stadtgruen/daten-und-fakten/stadtbaeume/","method_note":"GRIS green-space information system, status 31 Dec 2025","audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":237,"slug":"berlin-street-trees-war-recovery","country":"DE","region":"BE","locality":"Berlin","scope":"local","topic":"canopy","statement":"Berlin's street-tree stock fell from about 411,000 in 1939 to 161,000 in 1946 and has since been rebuilt to about 439,000, though heat and drought in 2018-2022 caused losses.","value":161000,"unit":"street trees (1946 low)","year":2025,"source_name":"Berlin Senate Department, Stadtbäume","source_url":"https://www.berlin.de/sen/uvk/natur-und-gruen/stadtgruen/daten-und-fakten/stadtbaeume/","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":243,"slug":"paris-street-trees-100000","country":"FR","region":"IDF","locality":"Paris","scope":"local","topic":"canopy","statement":"Paris has about 100,000 street trees along roughly 700 km of roads, plus over 200,000 trees in parks and facilities and 300,000 more in the Bois de Boulogne and Bois de Vincennes.","value":100000,"unit":"street trees","year":2026,"source_name":"Ville de Paris, L'arbre à Paris","source_url":"https://www.paris.fr/pages/l-arbre-a-paris-199","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":244,"slug":"paris-plan-arbre-170000","country":"FR","region":"IDF","locality":"Paris","scope":"local","topic":"canopy","statement":"Paris's Plan Arbre set a target of 170,000 trees planted between 2020 and 2026, and 129,542 had been planted by late 2026.","value":170000,"unit":"trees target","year":2026,"source_name":"Ville de Paris, L'arbre à Paris","source_url":"https://www.paris.fr/pages/l-arbre-a-paris-199","method_note":null,"audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":227,"slug":"london-itree-8-5-million-trees","country":"GB","region":"ENG","locality":"London","scope":"local","topic":"canopy","statement":"London's urban forest holds almost 8.5 million trees, about one per inhabitant, and roughly 60% of them are privately owned.","value":8500000,"unit":"trees","year":2015,"source_name":"Forest Research, i-Tree Eco London","source_url":"https://www.forestresearch.gov.uk/research/i-tree-eco/i-tree-eco-projects-completed/i-tree-eco-london/","method_note":"i-Tree Eco sample inventory","audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":228,"slug":"london-itree-benefits-132m","country":"GB","region":"ENG","locality":"London","scope":"local","topic":"economy","statement":"London's trees deliver carbon capture, rainwater interception, pollution removal and building energy savings valued at £132.7 million a year.","value":132700000,"unit":"GBP/year","year":2015,"source_name":"Forest Research, i-Tree Eco London","source_url":"https://www.forestresearch.gov.uk/research/i-tree-eco/i-tree-eco-projects-completed/i-tree-eco-london/","method_note":"i-Tree Eco valuation","audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":229,"slug":"london-trees-heat-deaths-avoided","country":"GB","region":"ENG","locality":"London","scope":"local","topic":"health","statement":"London's urban forest avoided an estimated 153 heat-attributable deaths from 2015 to 2022, and areas in the top tenth for canopy were 0.8°C cooler by day and 2.0°C cooler at night than the bottom tenth during the 2022 heatwaves.","value":153,"unit":"deaths avoided","year":2024,"source_name":"Environmental Research Letters 2024, 'The potential of urban trees to reduce heat-related mortality in London'","source_url":"https://europepmc.org/article/MED/38616845","method_note":"Personal weather station data 2015-2022","audience":"[\"renter\",\"homeowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":290,"slug":"sn-saloum-mangrove-regrowth","country":"SN","region":"FK","locality":"Saloum Delta","scope":"local","topic":"water","statement":"Mangroves in Senegal's Saloum Delta gained about 3,600 hectares between 2000 and 2015, with 96% of the expansion from spontaneous natural regeneration after the droughts of the 1980s and 1990s.","value":3600,"unit":"hectares gained","year":2020,"source_name":"Forest Ecology and Management 2020, mangrove resilience in the Saloum Delta (Senegal)","source_url":"https://doi.org/10.1016/j.foreco.2020.117963","method_note":"Remote sensing plus botanical surveys at 47 sites","audience":"[\"municipality\",\"landowner\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":160,"slug":"phoenix-canopy-by-tract","country":"US","region":"AZ","locality":"Phoenix","scope":"local","topic":"canopy","statement":"Tree canopy across Phoenix census tracts ranges from just 2% to 30%, with a median of 11%, in the hottest large city in the United States.","value":11,"unit":"% canopy (median census tract)","year":2024,"source_name":"City of Phoenix, Shade Phoenix Plan / Tree and Shade program","source_url":"https://www.phoenix.gov/parks/parks/urban-forest/tree-and-shade","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":161,"slug":"phoenix-shade-plan-27000-trees","country":"US","region":"AZ","locality":"Phoenix","scope":"local","topic":"canopy","statement":"The Shade Phoenix Plan commits more than $60 million over five years to plant over 27,000 trees and build 550 shade structures, nearly doubling the city's annual planting rate, with 85% of investment in low- to middle-income neighborhoods.","value":27000,"unit":"trees planned (5 years)","year":2024,"source_name":"City of Phoenix, Shade Phoenix Plan / Tree and Shade program","source_url":"https://www.phoenix.gov/parks/parks/urban-forest/tree-and-shade","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":142,"slug":"los-angeles-canopy-21pct","country":"US","region":"CA","locality":"Los Angeles","scope":"local","topic":"canopy","statement":"Tree canopy covers 21% of the City of Los Angeles, ranging from 7% to 37% by council district, with about 10.8 million existing trees.","value":21,"unit":"% canopy cover","year":2008,"source_name":"McPherson et al. 2008, Los Angeles 1-Million Tree Canopy Cover Assessment, USDA Forest Service PSW-GTR-207","source_url":"https://www.fs.usda.gov/psw/publications/documents/psw_gtr207/psw_gtr207.pdf","method_note":"QuickBird satellite imagery classification","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":144,"slug":"los-angeles-planting-space","country":"US","region":"CA","locality":"Los Angeles","scope":"local","topic":"canopy","statement":"Los Angeles has physical room for 2.5 million more trees, of which 1.3 million sites are realistic to plant, enough for the city's 1-million-tree goal.","value":1300000,"unit":"plantable tree sites","year":2008,"source_name":"McPherson et al. 2008, Los Angeles 1-Million Tree Canopy Cover Assessment, USDA Forest Service PSW-GTR-207","source_url":"https://www.fs.usda.gov/psw/publications/documents/psw_gtr207/psw_gtr207.pdf","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":143,"slug":"los-angeles-million-trees-benefits","country":"US","region":"CA","locality":"Los Angeles","scope":"local","topic":"economy","statement":"Planting 1 million new trees in Los Angeles was projected to return $1.33 billion to $1.95 billion in benefits over 35 years, or $38 to $56 per tree per year, with stormwater reduction the largest environmental benefit at 8% of the total.","value":1950000000,"unit":"USD over 35 years (low-mortality scenario)","year":2008,"source_name":"McPherson et al. 2008, Los Angeles 1-Million Tree Canopy Cover Assessment, USDA Forest Service PSW-GTR-207","source_url":"https://www.fs.usda.gov/psw/publications/documents/psw_gtr207/psw_gtr207.pdf","method_note":"Numerical benefit models for coastal and inland climate zones; 17% and 56% mortality scenarios","audience":"[\"homeowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":185,"slug":"sacramento-smud-shade-trees","country":"US","region":"CA","locality":"Sacramento","scope":"local","topic":"energy","statement":"SMUD and the Sacramento Tree Foundation have given away more than 630,000 free shade trees to Sacramento-area customers since 1990 to cool homes and cut cooling costs.","value":630000,"unit":"shade trees planted since 1990","year":2026,"source_name":"Sacramento Municipal Utility District, Free Shade Trees","source_url":"https://www.smud.org/Going-Green/Free-Shade-Trees","method_note":"Utility's own reported total; running total as stated on the program's own site in 2026","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":169,"slug":"denver-right-of-way-trees","country":"US","region":"CO","locality":"Denver","scope":"local","topic":"canopy","statement":"Denver's Office of the City Forester oversees about 210,000 right-of-way (street) trees.","value":210000,"unit":"street trees","year":2026,"source_name":"City and County of Denver, Office of the City Forester","source_url":"https://www.denvergov.org/Government/Agencies-Departments-Offices/Agencies-Departments-Offices-Directory/Parks-Recreation/Trees-Natural-Resources/Office-of-the-City-Forester","method_note":"running total as stated on the program's own site in 2026","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":171,"slug":"dc-canopy-37pct","country":"US","region":"DC","locality":"Washington","scope":"local","topic":"canopy","statement":"Washington, DC's tree canopy stands at 37%, up from 35% in 1999 but far below the more than 50% canopy the city had in the early 1970s.","value":37,"unit":"% canopy cover","year":2025,"source_name":"Casey Trees, 2025 Tree Report Card","source_url":"https://caseytrees.org/treereportcard2025/","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":172,"slug":"dc-canopy-goal-40pct-2032","country":"US","region":"DC","locality":"Washington","scope":"local","topic":"canopy","statement":"Washington, DC aims for 40% tree canopy by 2032 under its 2013 Sustainability Plan, and the city and partners planted 20,471 trees in 2025 against a 10,500-tree target.","value":40,"unit":"% canopy goal (2032)","year":2025,"source_name":"Casey Trees, 2025 Tree Report Card","source_url":"https://caseytrees.org/treereportcard2025/","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":173,"slug":"dc-canopy-heat-disparity","country":"US","region":"DC","locality":"Washington","scope":"local","topic":"cooling","statement":"In Washington, DC, the coolest neighborhoods have about three times the tree canopy of the neighborhoods experiencing extreme heat.","value":3,"unit":"x canopy ratio (cool vs hot neighborhoods)","year":2025,"source_name":"Casey Trees, 2025 Tree Report Card","source_url":"https://caseytrees.org/treereportcard2025/","method_note":null,"audience":"[\"homeowner\",\"renter\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":174,"slug":"dc-canopy-health-disparity","country":"US","region":"DC","locality":"Washington","scope":"local","topic":"health","statement":"Washington, DC areas with lower health burdens have about 1.5 times more tree canopy than areas with higher health challenges, and 89% of the city's roughly 2 million trees are in good or excellent condition.","value":1.5,"unit":"x canopy ratio (low vs high health burden)","year":2025,"source_name":"Casey Trees, 2025 Tree Report Card","source_url":"https://caseytrees.org/treereportcard2025/","method_note":"USFS FIA 2023 condition data","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":170,"slug":"atlanta-trees-air-pollution-removal","country":"US","region":"GA","locality":"Atlanta","scope":"local","topic":"air","statement":"Atlanta's forests remove about 19 million pounds of air pollutants a year, worth about $47 million annually, according to American Forests.","value":19000000,"unit":"pounds/year","year":2025,"source_name":"Georgia Forestry Commission citing American Forests","source_url":"https://gatrees.org/learn-explore/ecosystem-services/","method_note":"Year of the underlying estimate not stated on the page","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":182,"slug":"louisville-heat-island-intensity","country":"US","region":"KY","locality":"Louisville","scope":"local","topic":"cooling","statement":"Louisville, found to have the fastest-growing urban heat island in the United States, averaged a 5°F daytime and 13°F nighttime temperature gap between its hottest and coolest areas in summer 2012.","value":13,"unit":"°F nighttime heat island intensity","year":2012,"source_name":"Stone et al. 2019, Urban Heat Management in Louisville, Kentucky: A Framework for Climate Adaptation Planning, Journal of Planning Education and Research","source_url":"https://c14750.wpmucdn.com/1440/files/2020/09/Stone-et-al_Urban-Heat-Mgt-in-Louisville-1.pdf","method_note":"WRF climate modeling of May-September 2012","audience":"[\"homeowner\",\"renter\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":183,"slug":"louisville-heat-island-deaths-2012","country":"US","region":"KY","locality":"Louisville","scope":"local","topic":"health","statement":"Louisville's urban heat island was estimated to cause 53 additional heat-related deaths during the 2012 warm season, concentrated in denser, lower-income neighborhoods west of downtown.","value":53,"unit":"UHI-attributable heat deaths (2012)","year":2012,"source_name":"Stone et al. 2019, Urban Heat Management in Louisville, Kentucky: A Framework for Climate Adaptation Planning, Journal of Planning Education and Research","source_url":"https://c14750.wpmucdn.com/1440/files/2020/09/Stone-et-al_Urban-Heat-Mgt-in-Louisville-1.pdf","method_note":"Exposure-response mortality modeling","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":184,"slug":"louisville-greening-cuts-heat-deaths","country":"US","region":"KY","locality":"Louisville","scope":"local","topic":"health","statement":"Combining tree planting and green cover with cool roofs and energy efficiency in Louisville was modeled to lower temperatures by more than 5°F on hot days and cut heat-island-attributable deaths by more than 20%, from 53 to 42 in a single summer.","value":20,"unit":"% reduction in heat deaths","year":2019,"source_name":"Stone et al. 2019, Urban Heat Management in Louisville, Kentucky: A Framework for Climate Adaptation Planning, Journal of Planning Education and Research","source_url":"https://c14750.wpmucdn.com/1440/files/2020/09/Stone-et-al_Urban-Heat-Mgt-in-Louisville-1.pdf","method_note":"Combined Strategies scenario","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":175,"slug":"baltimore-canopy-goal-40pct","country":"US","region":"MD","locality":"Baltimore","scope":"local","topic":"canopy","statement":"TreeBaltimore, the city's urban forestry initiative, aims to increase Baltimore's tree canopy to 40%.","value":40,"unit":"% canopy goal","year":2026,"source_name":"TreeBaltimore (Baltimore City Recreation and Parks)","source_url":"https://www.treebaltimore.org/","method_note":"running total as stated on the program's own site in 2026","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":177,"slug":"baltimore-canopy-crime-link","country":"US","region":"MD","locality":"Baltimore","scope":"local","topic":"health","statement":"In the greater Baltimore region, a 10% increase in tree canopy was associated with a 12% reduction in crime (Troy, Grove and O'Neil-Dunne 2012).","value":12,"unit":"% crime reduction per 10% canopy increase","year":2012,"source_name":"Econsult Solutions, Philly Tree Plan economic impact report, citing Troy et al. 2012, Landscape and Urban Planning 106(3)","source_url":"https://www.phila.gov/media/20230227102735/Philly-Tree-Plan-EIS-08.25.2022-Final.pdf","method_note":"Spatial regression across an urban-rural gradient","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":176,"slug":"baltimore-tree-trust-survival-70pct","country":"US","region":"MD","locality":"Baltimore","scope":"local","topic":"survival","statement":"Baltimore Tree Trust planted more than 3,000 trees in 84 neighborhoods in 2024 and reports a 70% survival rate across the 6,000 trees it maintains under a two-year warranty.","value":70,"unit":"% survival rate","year":2024,"source_name":"Baltimore Tree Trust, Urban Canopy Project","source_url":"https://www.baltimoretreetrust.org/what-we-do/urban-canopy-project/","method_note":"Organization's own reported figures","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":178,"slug":"detroit-greening-trees-planted","country":"US","region":"MI","locality":"Detroit","scope":"local","topic":"canopy","statement":"The Greening of Detroit has planted more than 166,000 trees in Detroit, Hamtramck and Highland Park since 1989.","value":166000,"unit":"trees planted since 1989","year":2026,"source_name":"The Greening of Detroit","source_url":"https://www.greeningofdetroit.com/","method_note":"Organization's own reported total (homepage headline says 177,000+); running total as stated on the program's own site in 2026","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":180,"slug":"minneapolis-canopy-29-8pct","country":"US","region":"MN","locality":"Minneapolis","scope":"local","topic":"canopy","statement":"Tree canopy covers more than 29.8% of Minneapolis, according to the University of Minnesota's 2015 Twin Cities urban tree canopy assessment.","value":29.8,"unit":"% canopy cover","year":2015,"source_name":"Minneapolis Park and Recreation Board, Trees","source_url":"https://www.minneapolisparks.org/parks-destinations/trees-natural-areas/trees/","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":181,"slug":"minneapolis-public-trees-600000","country":"US","region":"MN","locality":"Minneapolis","scope":"local","topic":"canopy","statement":"The Minneapolis Park and Recreation Board cares for about 600,000 public trees: nearly 200,000 boulevard trees along 1,100 miles of streets and 400,000 park trees on more than 7,000 acres.","value":600000,"unit":"public trees","year":2026,"source_name":"Minneapolis Park and Recreation Board, Trees","source_url":"https://www.minneapolisparks.org/parks-destinations/trees-natural-areas/trees/","method_note":"running total as stated on the program's own site in 2026","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":146,"slug":"nyc-urban-forest-air-pollution","country":"US","region":"NY","locality":"New York City","scope":"local","topic":"air","statement":"New York City's trees remove about 1,100 tons of air pollution a year, with health benefits valued at $78 million a year.","value":1100,"unit":"tons/year","year":2013,"source_name":"Nowak et al. 2018, The Urban Forest of New York City, USDA Forest Service Resource Bulletin NRS-117","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs117.pdf","method_note":"i-Tree Eco","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":151,"slug":"nyc-urban-forest-species-count","country":"US","region":"NY","locality":"New York City","scope":"local","topic":"biodiversity","statement":"138 tree species or genera were recorded across New York City in the 2013 i-Tree Eco assessment, up from 66 species recorded in 1996.","value":138,"unit":"tree species/genera","year":2013,"source_name":"Nowak et al. 2018, The Urban Forest of New York City, USDA Forest Service Resource Bulletin NRS-117","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs117.pdf","method_note":"Comparison of 1996 and 2013 plot inventories","audience":"[\"landowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":145,"slug":"nyc-urban-forest-trees-cover","country":"US","region":"NY","locality":"New York City","scope":"local","topic":"canopy","statement":"New York City has an estimated 7.0 million trees, and tree canopy covers 21% of the city.","value":7000000,"unit":"trees","year":2013,"source_name":"Nowak et al. 2018, The Urban Forest of New York City, USDA Forest Service Resource Bulletin NRS-117","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs117.pdf","method_note":"i-Tree Eco field plots, 2013","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":149,"slug":"nyc-urban-forest-carbon","country":"US","region":"NY","locality":"New York City","scope":"local","topic":"carbon","statement":"New York City's trees store about 1.2 million tons of carbon valued at $153 million and remove 51,000 tons more a year ($6.8 million).","value":1200000,"unit":"tons C","year":2013,"source_name":"Nowak et al. 2018, The Urban Forest of New York City, USDA Forest Service Resource Bulletin NRS-117","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs117.pdf","method_note":"i-Tree Eco","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":150,"slug":"nyc-urban-forest-compensatory-value","country":"US","region":"NY","locality":"New York City","scope":"local","topic":"economy","statement":"The compensatory value of New York City's trees is estimated at $5.7 billion.","value":5700000000,"unit":"USD","year":2013,"source_name":"Nowak et al. 2018, The Urban Forest of New York City, USDA Forest Service Resource Bulletin NRS-117","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs117.pdf","method_note":null,"audience":"[\"homeowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":148,"slug":"nyc-urban-forest-energy","country":"US","region":"NY","locality":"New York City","scope":"local","topic":"energy","statement":"New York City's urban forest lowers residential energy costs by about $17.1 million a year.","value":17100000,"unit":"USD/year","year":2013,"source_name":"Nowak et al. 2018, The Urban Forest of New York City, USDA Forest Service Resource Bulletin NRS-117","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs117.pdf","method_note":"i-Tree Eco","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":147,"slug":"nyc-urban-forest-avoided-runoff","country":"US","region":"NY","locality":"New York City","scope":"local","topic":"water","statement":"New York City's trees reduce stormwater runoff by 69 million cubic feet a year (about 516 million gallons), worth $4.6 million a year.","value":69000000,"unit":"cubic feet/year","year":2013,"source_name":"Nowak et al. 2018, The Urban Forest of New York City, USDA Forest Service Resource Bulletin NRS-117","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs117.pdf","method_note":"i-Tree Eco hydrology model","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":165,"slug":"portland-canopy-2025-32pct","country":"US","region":"OR","locality":"Portland","scope":"local","topic":"canopy","statement":"Portland's tree canopy covered 32.4% of the city in 2025, up from 29.7% in 2000 but down from a 2015 peak of 33.4%.","value":32.4,"unit":"% canopy cover","year":2025,"source_name":"Portland Parks & Recreation Urban Forestry, 2025 Tree Canopy Cover Update","source_url":"https://www.portland.gov/trees/news/2026/7/21/portland-tree-canopy-cover-update","method_note":"Aerial-imagery canopy monitoring","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":166,"slug":"portland-canopy-east-west-gap","country":"US","region":"OR","locality":"Portland","scope":"local","topic":"canopy","statement":"Neighborhoods west of the Willamette River in Portland have 56% tree canopy, while those east of the river have just 22%, and the Urban Forest Plan targets 45% canopy citywide within 40 years.","value":56,"unit":"% canopy (west side) vs 22% (east side)","year":2025,"source_name":"Portland Parks & Recreation Urban Forestry, 2025 Tree Canopy Cover Update","source_url":"https://www.portland.gov/trees/news/2026/7/21/portland-tree-canopy-cover-update","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":167,"slug":"portland-planting-potential-1-3m-trees","country":"US","region":"OR","locality":"Portland","scope":"local","topic":"economy","statement":"Portland has room for about 1.3 million additional trees, which would provide nearly $200 million a year in services.","value":1300000,"unit":"additional trees possible","year":2018,"source_name":"Portland Parks & Recreation Urban Forestry, Tree Canopy and Potential 2018 (plans and reports page)","source_url":"https://www.portland.gov/trees/plansandreports","method_note":null,"audience":"[\"homeowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":168,"slug":"portland-street-trees-home-value","country":"US","region":"OR","locality":"Portland","scope":"local","topic":"economy","statement":"Street trees in Portland add an average of $8,870 to a home's sale price and cut its time on the market by 1.7 days, with benefits spilling over to neighboring houses.","value":8870,"unit":"USD added to sale price","year":2010,"source_name":"Donovan & Butry 2010, Trees in the city: Valuing street trees in Portland, Oregon, Landscape and Urban Planning","source_url":"https://www.fs.usda.gov/pnw/pubs/journals/pnw_2010_donovan001.pdf","method_note":"Hedonic price model","audience":"[\"homeowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":153,"slug":"philadelphia-urban-forest-air-pollution","country":"US","region":"PA","locality":"Philadelphia","scope":"local","topic":"air","statement":"Philadelphia's trees remove about 513 tons of air pollution a year, with health benefits worth $19.0 million a year.","value":513,"unit":"tons/year","year":2012,"source_name":"Nowak et al. 2016, The Urban Forest of Philadelphia, USDA Forest Service Resource Bulletin NRS-106","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs106.pdf","method_note":"i-Tree Eco","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":152,"slug":"philadelphia-urban-forest-trees-cover","country":"US","region":"PA","locality":"Philadelphia","scope":"local","topic":"canopy","statement":"Philadelphia has an estimated 2.9 million trees and 20% tree canopy; its parklands hold 1.1 million of those trees with 64% canopy and provide 38.8% of the city's tree carbon storage.","value":2900000,"unit":"trees","year":2012,"source_name":"Nowak et al. 2016, The Urban Forest of Philadelphia, USDA Forest Service Resource Bulletin NRS-106","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs106.pdf","method_note":"i-Tree Eco field plots, 2012","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":156,"slug":"philadelphia-canopy-goal-30pct-2050","country":"US","region":"PA","locality":"Philadelphia","scope":"local","topic":"canopy","statement":"Philadelphia's tree canopy sits at about 20%, and the Philly Tree Plan aims to reach 30% canopy by 2050, the level at which research projects significant health benefits.","value":30,"unit":"% canopy goal (2050)","year":2022,"source_name":"Econsult Solutions for the City of Philadelphia, Valuing the Potential Economic, Social, and Environmental Impacts of the Philly Tree Plan, 2022","source_url":"https://www.phila.gov/media/20230227102735/Philly-Tree-Plan-EIS-08.25.2022-Final.pdf","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":154,"slug":"philadelphia-urban-forest-carbon","country":"US","region":"PA","locality":"Philadelphia","scope":"local","topic":"carbon","statement":"Philadelphia's trees store about 702,000 tons of carbon ($93.4 million) and remove 27,000 tons more a year ($3.6 million).","value":702000,"unit":"tons C","year":2012,"source_name":"Nowak et al. 2016, The Urban Forest of Philadelphia, USDA Forest Service Resource Bulletin NRS-106","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs106.pdf","method_note":"i-Tree Eco","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":155,"slug":"philadelphia-urban-forest-energy-value","country":"US","region":"PA","locality":"Philadelphia","scope":"local","topic":"economy","statement":"Philadelphia's urban forest saves residents $6.9 million a year in energy costs and has a compensatory value of $1.7 billion.","value":1700000000,"unit":"USD compensatory value","year":2012,"source_name":"Nowak et al. 2016, The Urban Forest of Philadelphia, USDA Forest Service Resource Bulletin NRS-106","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs106.pdf","method_note":"i-Tree Eco","audience":"[\"homeowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":157,"slug":"philadelphia-canopy-premature-deaths-avoided","country":"US","region":"PA","locality":"Philadelphia","scope":"local","topic":"health","statement":"Reaching Philadelphia's tree canopy goal is projected to prevent 403 premature deaths a year (Kondo et al. 2020, Lancet Planetary Health), a benefit valued at about $5 billion a year.","value":403,"unit":"premature deaths avoided/year","year":2022,"source_name":"Econsult Solutions for the City of Philadelphia, Valuing the Potential Economic, Social, and Environmental Impacts of the Philly Tree Plan, 2022","source_url":"https://www.phila.gov/media/20230227102735/Philly-Tree-Plan-EIS-08.25.2022-Final.pdf","method_note":"Health impact assessment of 30% canopy goal; valued at $12.4 million per statistical life","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":158,"slug":"philadelphia-canopy-obesity-link","country":"US","region":"PA","locality":"Philadelphia","scope":"local","topic":"health","statement":"A 10 percentage-point increase in urban tree canopy has been associated with a 19% reduction in overweight or obese body mass index, in a city where 68% of adults are overweight or obese.","value":19,"unit":"% reduction in overweight/obese BMI","year":2022,"source_name":"Econsult Solutions for the City of Philadelphia, Valuing the Potential Economic, Social, and Environmental Impacts of the Philly Tree Plan, 2022","source_url":"https://www.phila.gov/media/20230227102735/Philly-Tree-Plan-EIS-08.25.2022-Final.pdf","method_note":"Econsult citing Ulmer et al. 2016, Health & Place","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":159,"slug":"philadelphia-street-tree-survival","country":"US","region":"PA","locality":"Philadelphia","scope":"local","topic":"survival","statement":"A Philadelphia street tree survey found annual survival rates and lifespans in line with the national meta-analysis: roughly 95% to 96.5% of street trees survive each year, giving a population half-life of 13 to 20 years.","value":96.5,"unit":"% annual survival (upper)","year":2011,"source_name":"Roman & Scatena 2011, Street tree survival rates: meta-analysis and Philadelphia field survey, Urban Forestry & Urban Greening","source_url":"https://earth.sas.upenn.edu/content/street-tree-survival-rates-meta-analysis-previous-studies-and-application-field-survey","method_note":null,"audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":179,"slug":"pittsburgh-allegheny-canopy-2020","country":"US","region":"PA","locality":"Pittsburgh","scope":"local","topic":"canopy","statement":"Allegheny County's tree canopy covered 51.7% of the county in 2020, but it lost a net 4,115 acres of canopy between 2015 and 2020 (21,047 acres lost, 16,931 gained), while the City of Pittsburgh netted a gain of 4 acres.","value":51.7,"unit":"% canopy cover (Allegheny County)","year":2020,"source_name":"Tree Pittsburgh, Urban Tree Canopy Data","source_url":"https://www.treepittsburgh.org/programs/urban-tree-canopy-data/","method_note":"County has lost about 2% of canopy every five years","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":186,"slug":"nashville-root-nashville-500k-goal","country":"US","region":"TN","locality":"Nashville","scope":"local","topic":"canopy","statement":"Root Nashville, a city-led campaign with the Cumberland River Compact, aims to plant 500,000 trees across Davidson County by 2050.","value":500000,"unit":"trees planting goal (2050)","year":2026,"source_name":"Root Nashville","source_url":"https://rootnashville.org/","method_note":"running total as stated on the program's own site in 2026","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":130,"slug":"austin-urban-forest-air-pollution","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"air","statement":"Austin's trees remove about 1,253 tons of air pollution a year, valued at $2.8 million.","value":1253,"unit":"tons/year","year":2014,"source_name":"Nowak et al. 2016, Austin's Urban Forest, 2014, USDA Forest Service Resource Bulletin NRS-100","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs100.pdf","method_note":"i-Tree Eco","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":134,"slug":"austin-urban-forest-species-count","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"biodiversity","statement":"Field crews recorded 62 different tree species in Austin's urban forest, with the 10 most common species making up 83.6% of all trees.","value":62,"unit":"tree species","year":2014,"source_name":"Nowak et al. 2016, Austin's Urban Forest, 2014, USDA Forest Service Resource Bulletin NRS-100","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs100.pdf","method_note":"Urban FIA field plots","audience":"[\"landowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":126,"slug":"austin-canopy-2022-41pct","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"canopy","statement":"Tree canopy covered about 41% of Austin's land in 2022 (160,047 of 395,038 acres), up from 36% measured in 2018, though annexation and better mapping explain part of the gain.","value":40.51,"unit":"% canopy cover","year":2022,"source_name":"City of Austin Urban Forest Program, Tree Canopy 2022 dataset (Open Data Portal)","source_url":"https://data.austintexas.gov/d/943x-7cq5","method_note":"Canopy mapped from 2022 satellite and aerial imagery by Ecopia AI and PlanIT Geo","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":127,"slug":"austin-canopy-goal-50pct-2050","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"canopy","statement":"Austin's Climate Equity Plan sets a goal of at least 50% citywide tree canopy cover by 2050, with growth focused on under-canopied neighborhoods.","value":50,"unit":"% canopy goal (2050)","year":2021,"source_name":"City of Austin, Austin Climate Equity Plan","source_url":"https://www.austintexas.gov/page/austin-climate-equity-plan","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":128,"slug":"austin-urban-forest-trees-cover-2014","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"canopy","statement":"Austin has an estimated 33.8 million trees, and tree canopy covered 30.8% of the city in the 2014 Urban Forest Inventory and Analysis; Ashe juniper, cedar elm and live oak are the most common species.","value":33800000,"unit":"trees","year":2014,"source_name":"Nowak et al. 2016, Austin's Urban Forest, 2014, USDA Forest Service Resource Bulletin NRS-100","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs100.pdf","method_note":"USDA Forest Service Urban FIA field plots, 2014","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":137,"slug":"austin-treefolks-trees-planted","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"canopy","statement":"Austin-based nonprofit TreeFolks has planted more than 3 million trees in Central Texas and distributes 4,500 free trees a year with the City through NeighborWoods.","value":3000000,"unit":"trees planted","year":2026,"source_name":"TreeFolks","source_url":"https://www.treefolks.org/","method_note":"Organization's own reported totals; year range not stated; running total as stated on the program's own site in 2026","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":129,"slug":"austin-urban-forest-carbon","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"carbon","statement":"Austin's trees store about 1.9 million tons of carbon (7.0 million tons of CO2), valued at $242 million, and remove another 92,000 tons of carbon a year worth $11.6 million.","value":1900000,"unit":"tons C","year":2014,"source_name":"Nowak et al. 2016, Austin's Urban Forest, 2014, USDA Forest Service Resource Bulletin NRS-100","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs100.pdf","method_note":"i-Tree Eco","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":135,"slug":"austin-100-degree-days-record","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"cooling","statement":"Austin recorded 90 days of 100°F or hotter in 2011 and 80 in 2023, its two worst years on record, while the 1991-2020 average is 29 such days a year against a long-term average of 15.","value":90,"unit":"days at or above 100°F (2011 record)","year":2023,"source_name":"National Weather Service Austin/San Antonio, Austin (Camp Mabry) Temperature Rankings","source_url":"https://www.weather.gov/media/ewx/climate/ATTtemprankings.pdf","method_note":"Camp Mabry observations, period of record 1897-2026","audience":"[\"homeowner\",\"renter\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":136,"slug":"austin-consecutive-100-degree-days-2023","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"cooling","statement":"Austin endured a record 45 consecutive days of 100°F or hotter from July 8 to August 21, 2023, far above the previous streak of 27 days set in 2011.","value":45,"unit":"consecutive days at or above 100°F","year":2023,"source_name":"National Weather Service Austin/San Antonio, Austin (Camp Mabry) Temperature Rankings","source_url":"https://www.weather.gov/media/ewx/climate/ATTtemprankings.pdf","method_note":"Camp Mabry observations","audience":"[\"homeowner\",\"renter\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":133,"slug":"austin-urban-forest-compensatory-value","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"economy","statement":"The compensatory (replacement) value of Austin's trees is estimated at $16.0 billion.","value":16000000000,"unit":"USD","year":2014,"source_name":"Nowak et al. 2016, Austin's Urban Forest, 2014, USDA Forest Service Resource Bulletin NRS-100","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs100.pdf","method_note":"Council of Tree and Landscape Appraisers valuation","audience":"[\"homeowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":131,"slug":"austin-urban-forest-energy-savings","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"energy","statement":"Austin's urban forest cuts residential energy costs by an estimated $18.9 million a year.","value":18900000,"unit":"USD/year","year":2014,"source_name":"Nowak et al. 2016, Austin's Urban Forest, 2014, USDA Forest Service Resource Bulletin NRS-100","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs100.pdf","method_note":"i-Tree Eco building energy model","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":132,"slug":"austin-urban-forest-avoided-runoff","country":"US","region":"TX","locality":"Austin","scope":"local","topic":"water","statement":"Austin's trees keep about 65 million cubic feet of stormwater runoff a year (roughly 486 million gallons) out of creeks and drains.","value":65000000,"unit":"cubic feet/year","year":2014,"source_name":"Nowak et al. 2016, Austin's Urban Forest, 2014, USDA Forest Service Resource Bulletin NRS-100","source_url":"https://www.fs.usda.gov/nrs/pubs/rb/rb_nrs100.pdf","method_note":"i-Tree Eco hydrology model","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":138,"slug":"dallas-heat-island-15f","country":"US","region":"TX","locality":"Dallas","scope":"local","topic":"cooling","statement":"Dallas's built-up areas can be up to 15°F warmer than nearby rural areas, and the city's hottest neighborhoods averaged highs of 101°F and lows near 80°F for five months of the year.","value":15,"unit":"°F urban-rural difference (maximum)","year":2017,"source_name":"Texas Trees Foundation, Dallas Urban Heat Island Management Study (Brian Stone, Georgia Tech), 2017","source_url":"https://texastrees.org/urban-heat-island-management-study/","method_note":"Year-long neighborhood air temperature study with 35% impervious cover citywide","audience":"[\"homeowner\",\"renter\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":139,"slug":"dallas-heat-deaths-2011","country":"US","region":"TX","locality":"Dallas","scope":"local","topic":"health","statement":"Heat-related deaths in Dallas County peaked at 52 in 2011, and Dallas is warming faster than every US city except Phoenix.","value":52,"unit":"heat deaths (2011)","year":2017,"source_name":"Texas Trees Foundation, Dallas Urban Heat Island Management Study (Brian Stone, Georgia Tech), 2017","source_url":"https://texastrees.org/urban-heat-island-management-study/","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":140,"slug":"dallas-tree-planting-cuts-heat-deaths","country":"US","region":"TX","locality":"Dallas","scope":"local","topic":"health","statement":"Planting trees in Dallas's hottest high-density residential areas was modeled to cut heat-related deaths by more than 20% by lowering temperatures.","value":20,"unit":"% reduction in heat deaths","year":2017,"source_name":"Texas Trees Foundation, Dallas Urban Heat Island Management Study (Brian Stone, Georgia Tech), 2017","source_url":"https://texastrees.org/urban-heat-island-management-study/","method_note":"Modeled scenario","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":141,"slug":"houston-trees-for-houston-million","country":"US","region":"TX","locality":"Houston","scope":"local","topic":"canopy","statement":"Trees For Houston planted its 1,000,000th tree in February 2026, after 43 years of planting along freeways, parkways and in neighborhoods since 1983.","value":1000000,"unit":"trees planted","year":2026,"source_name":"Trees For Houston","source_url":"https://www.treesforhouston.org/","method_note":"Organization's own reported total; running total as stated on the program's own site in 2026","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":162,"slug":"seattle-canopy-2021-28pct","country":"US","region":"WA","locality":"Seattle","scope":"local","topic":"canopy","statement":"Seattle's tree canopy covered 28.1% of the city in 2021, down from 28.6% in 2016, a loss of 255 acres of canopy in five years.","value":28.1,"unit":"% canopy cover","year":2021,"source_name":"City of Seattle, Tree Canopy Cover assessments (2016 and 2021)","source_url":"https://www.seattle.gov/trees/management/canopy-cover","method_note":"LiDAR and imagery canopy assessment","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":163,"slug":"seattle-canopy-goal-30pct-2037","country":"US","region":"WA","locality":"Seattle","scope":"local","topic":"canopy","statement":"Seattle set a goal in 2007 of reaching 30% tree canopy cover by 2037.","value":30,"unit":"% canopy goal (2037)","year":2021,"source_name":"City of Seattle, Tree Canopy Cover assessments (2016 and 2021)","source_url":"https://www.seattle.gov/trees/management/canopy-cover","method_note":null,"audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":164,"slug":"seattle-canopy-temperature-link","country":"US","region":"WA","locality":"Seattle","scope":"local","topic":"cooling","statement":"In Seattle, a 13% increase in neighborhood tree canopy is associated with a 0.5-degree reduction in temperature.","value":0.5,"unit":"degrees per 13% canopy increase","year":2021,"source_name":"City of Seattle, Tree Canopy Cover assessments (2016 and 2021)","source_url":"https://www.seattle.gov/trees/management/canopy-cover","method_note":"2021 canopy assessment neighborhood-scale analysis","audience":"[\"homeowner\",\"renter\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":296,"slug":"br-para-deforestation-2026","country":"BR","region":"PA","locality":null,"scope":"regional","topic":"canopy","statement":"Pará recorded the most Amazon deforestation in 2025/26 at 1,130 km2, down 45.3% from 2,064 km2 the year before.","value":1130,"unit":"km2/year","year":2026,"source_name":"INPE, BiomasBR / PRODES","source_url":"https://www.gov.br/inpe/pt-br/assuntos/ultimas-noticias/brasil-alcanca-menores-taxas-de-desmatamento-da-serie-historica-na-amazonia-e-no-cerrado","method_note":null,"audience":"[\"landowner\",\"municipality\"]","status":"published","created_at":"2026-11-08T01:08:46.284Z","updated_at":"2026-11-08T01:08:46.284Z"},{"id":16,"slug":"al-urban-trees-air-pollution-removal","country":"US","region":"AL","locality":null,"scope":"regional","topic":"air","statement":"Trees in Alabama's urban areas removed about 18,800 tonnes of air pollution in 2010, with human health benefits valued at $104 million.","value":18800,"unit":"tonnes/year","year":2010,"source_name":"Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2014/nrs_2014_nowak_001.pdf","method_note":"i-Tree Eco modeling with BenMAP health valuation, urban land only","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":17,"slug":"al-urban-trees-carbon-storage","country":"US","region":"AL","locality":null,"scope":"regional","topic":"carbon","statement":"Trees in Alabama's urban areas store about 18.7 million tonnes of carbon and take up roughly 836,000 tonnes more each year; counting all urban and community land, storage rises to 53.9 million tonnes.","value":18700000,"unit":"tonnes C","year":2013,"source_name":"Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2013/nrs_2013_nowak_001.pdf","method_note":"Carbon density per unit tree cover applied to statewide urban tree cover, c. 2005; gross sequestration","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":15,"slug":"al-urban-trees-energy-savings","country":"US","region":"AL","locality":null,"scope":"regional","topic":"energy","statement":"Alabama's urban and community trees save residents about $184 million a year in building energy costs ($162 million in electricity and $21.4 million in heating).","value":184000000,"unit":"USD/year","year":2017,"source_name":"Nowak et al. 2017, Residential building energy conservation and avoided power plant emissions by urban and community trees in the United States, Urban Forestry & Urban Greening 21","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2017/nrs_2017_nowak_001.pdf","method_note":"Statewide modeling of tree shade, wind and temperature effects on residential buildings","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":19,"slug":"az-urban-trees-air-pollution-removal","country":"US","region":"AZ","locality":null,"scope":"regional","topic":"air","statement":"Trees in Arizona's urban areas removed about 6,000 tonnes of air pollution in 2010, with human health benefits valued at $20.9 million.","value":6000,"unit":"tonnes/year","year":2010,"source_name":"Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2014/nrs_2014_nowak_001.pdf","method_note":"i-Tree Eco modeling with BenMAP health valuation, urban land only","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":20,"slug":"az-urban-trees-carbon-storage","country":"US","region":"AZ","locality":null,"scope":"regional","topic":"carbon","statement":"Trees in Arizona's urban areas store about 5.5 million tonnes of carbon and take up roughly 253,000 tonnes more each year; counting all urban and community land, storage rises to 21.3 million tonnes.","value":5500000,"unit":"tonnes C","year":2013,"source_name":"Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2013/nrs_2013_nowak_001.pdf","method_note":"Carbon density per unit tree cover applied to statewide urban tree cover, c. 2005; gross sequestration","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":18,"slug":"az-urban-trees-energy-savings","country":"US","region":"AZ","locality":null,"scope":"regional","topic":"energy","statement":"Arizona's urban and community trees save residents about $278 million a year in building energy costs ($257 million in electricity and $20.1 million in heating).","value":277500000,"unit":"USD/year","year":2017,"source_name":"Nowak et al. 2017, Residential building energy conservation and avoided power plant emissions by urban and community trees in the United States, Urban Forestry & Urban Greening 21","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2017/nrs_2017_nowak_001.pdf","method_note":"Statewide modeling of tree shade, wind and temperature effects on residential buildings","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":22,"slug":"ca-urban-trees-air-pollution-removal","country":"US","region":"CA","locality":null,"scope":"regional","topic":"air","statement":"Trees in California's urban areas removed about 36,400 tonnes of air pollution in 2010, with human health benefits valued at $404 million.","value":36400,"unit":"tonnes/year","year":2010,"source_name":"Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2014/nrs_2014_nowak_001.pdf","method_note":"i-Tree Eco modeling with BenMAP health valuation, urban land only","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":23,"slug":"ca-urban-trees-carbon-storage","country":"US","region":"CA","locality":null,"scope":"regional","topic":"carbon","statement":"Trees in California's urban areas store about 31.4 million tonnes of carbon and take up roughly 1.6 million tonnes more each year; counting all urban and community land, storage rises to 66.9 million tonnes.","value":31400000,"unit":"tonnes C","year":2013,"source_name":"Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2013/nrs_2013_nowak_001.pdf","method_note":"Carbon density per unit tree cover applied to statewide urban tree cover, c. 2005; gross sequestration","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":21,"slug":"ca-urban-trees-energy-savings","country":"US","region":"CA","locality":null,"scope":"regional","topic":"energy","statement":"California's urban and community trees save residents a net $410 million a year in building energy costs: $411 million in reduced air conditioning, slightly offset by $1.2 million in added winter heating from shade.","value":410200000,"unit":"USD/year","year":2017,"source_name":"Nowak et al. 2017, Residential building energy conservation and avoided power plant emissions by urban and community trees in the United States, Urban Forestry & Urban Greening 21","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2017/nrs_2017_nowak_001.pdf","method_note":"Statewide modeling of tree shade, wind and temperature effects on residential buildings","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":25,"slug":"co-urban-trees-air-pollution-removal","country":"US","region":"CO","locality":null,"scope":"regional","topic":"air","statement":"Trees in Colorado's urban areas removed about 2,000 tonnes of air pollution in 2010, with human health benefits valued at $5.0 million.","value":2000,"unit":"tonnes/year","year":2010,"source_name":"Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2014/nrs_2014_nowak_001.pdf","method_note":"i-Tree Eco modeling with BenMAP health valuation, urban land only","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":26,"slug":"co-urban-trees-carbon-storage","country":"US","region":"CO","locality":null,"scope":"regional","topic":"carbon","statement":"Trees in Colorado's urban areas store about 4.4 million tonnes of carbon and take up roughly 112,000 tonnes more each year; counting all urban and community land, storage rises to 10.0 million tonnes.","value":4400000,"unit":"tonnes C","year":2013,"source_name":"Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2013/nrs_2013_nowak_001.pdf","method_note":"Carbon density per unit tree cover applied to statewide urban tree cover, c. 2005; gross sequestration","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":24,"slug":"co-urban-trees-energy-savings","country":"US","region":"CO","locality":null,"scope":"regional","topic":"energy","statement":"Colorado's urban and community trees save residents about $22.5 million a year in building energy costs ($7.1 million in electricity and $15.4 million in heating).","value":22500000,"unit":"USD/year","year":2017,"source_name":"Nowak et al. 2017, Residential building energy conservation and avoided power plant emissions by urban and community trees in the United States, Urban Forestry & Urban Greening 21","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2017/nrs_2017_nowak_001.pdf","method_note":"Statewide modeling of tree shade, wind and temperature effects on residential buildings","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":28,"slug":"ct-urban-trees-air-pollution-removal","country":"US","region":"CT","locality":null,"scope":"regional","topic":"air","statement":"Trees in Connecticut's urban areas removed about 15,600 tonnes of air pollution in 2010, with human health benefits valued at $102 million.","value":15600,"unit":"tonnes/year","year":2010,"source_name":"Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2014/nrs_2014_nowak_001.pdf","method_note":"i-Tree Eco modeling with BenMAP health valuation, urban land only","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":29,"slug":"ct-urban-trees-carbon-storage","country":"US","region":"CT","locality":null,"scope":"regional","topic":"carbon","statement":"Trees in Connecticut's urban areas store about 23.3 million tonnes of carbon and take up roughly 724,000 tonnes more each year; counting all urban and community land, storage rises to 26.0 million tonnes.","value":23300000,"unit":"tonnes C","year":2013,"source_name":"Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2013/nrs_2013_nowak_001.pdf","method_note":"Carbon density per unit tree cover applied to statewide urban tree cover, c. 2005; gross sequestration","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":27,"slug":"ct-urban-trees-energy-savings","country":"US","region":"CT","locality":null,"scope":"regional","topic":"energy","statement":"Connecticut's urban and community trees save residents about $141 million a year in building energy costs ($106 million in electricity and $35.5 million in heating).","value":141300000,"unit":"USD/year","year":2017,"source_name":"Nowak et al. 2017, Residential building energy conservation and avoided power plant emissions by urban and community trees in the United States, Urban Forestry & Urban Greening 21","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2017/nrs_2017_nowak_001.pdf","method_note":"Statewide modeling of tree shade, wind and temperature effects on residential buildings","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":31,"slug":"fl-urban-trees-air-pollution-removal","country":"US","region":"FL","locality":null,"scope":"regional","topic":"air","statement":"Trees in Florida's urban areas removed about 61,500 tonnes of air pollution in 2010, with human health benefits valued at $466 million.","value":61500,"unit":"tonnes/year","year":2010,"source_name":"Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2014/nrs_2014_nowak_001.pdf","method_note":"i-Tree Eco modeling with BenMAP health valuation, urban land only","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":32,"slug":"fl-urban-trees-carbon-storage","country":"US","region":"FL","locality":null,"scope":"regional","topic":"carbon","statement":"Trees in Florida's urban areas store about 42.9 million tonnes of carbon and take up roughly 2.6 million tonnes more each year; counting all urban and community land, storage rises to 62.6 million tonnes.","value":42900000,"unit":"tonnes C","year":2013,"source_name":"Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2013/nrs_2013_nowak_001.pdf","method_note":"Carbon density per unit tree cover applied to statewide urban tree cover, c. 2005; gross sequestration","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":30,"slug":"fl-urban-trees-energy-savings","country":"US","region":"FL","locality":null,"scope":"regional","topic":"energy","statement":"Florida's urban and community trees save residents about $643 million a year in building energy costs ($578 million in electricity and $65.5 million in heating).","value":643000000,"unit":"USD/year","year":2017,"source_name":"Nowak et al. 2017, Residential building energy conservation and avoided power plant emissions by urban and community trees in the United States, Urban Forestry & Urban Greening 21","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2017/nrs_2017_nowak_001.pdf","method_note":"Statewide modeling of tree shade, wind and temperature effects on residential buildings","audience":"[\"homeowner\",\"renter\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":34,"slug":"ga-urban-trees-air-pollution-removal","country":"US","region":"GA","locality":null,"scope":"regional","topic":"air","statement":"Trees in Georgia's urban areas removed about 50,000 tonnes of air pollution in 2010, with human health benefits valued at $226 million.","value":50000,"unit":"tonnes/year","year":2010,"source_name":"Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2014/nrs_2014_nowak_001.pdf","method_note":"i-Tree Eco modeling with BenMAP health valuation, urban land only","audience":"[\"municipality\",\"homeowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"},{"id":124,"slug":"ga-urban-tree-cover-decline-rate","country":"US","region":"GA","locality":null,"scope":"regional","topic":"canopy","statement":"Georgia's urban and community tree cover declined by about 0.37% a year between roughly 2009 and 2014, among the five fastest losses in the country.","value":0.37,"unit":"% per year","year":2018,"source_name":"Nowak & Greenfield 2018, Declining urban and community tree cover in the United States, Urban Forestry & Urban Greening 32 (USDA Forest Service Treesearch)","source_url":"https://research.fs.usda.gov/treesearch/55941","method_note":"Paired aerial photo interpretation","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":125,"slug":"ga-forest-canopy-loss-1985-2023","country":"US","region":"GA","locality":null,"scope":"regional","topic":"canopy","statement":"Georgia lost 6.6% of its forest canopy, about 2.5 million acres, between 1985 and 2023, with some metro areas losing as much as 14%.","value":6.6,"unit":"% canopy lost (1985-2023)","year":2025,"source_name":"Georgia Forestry Commission citing Georgia Tech 2025 study, Georgia's Changing Forest","source_url":"https://gatrees.org/urban-community-forestry/canopy-studies-tree-inventories/","method_note":"Satellite canopy change analysis, Georgia Institute of Technology","audience":"[\"municipality\"]","status":"published","created_at":"2026-11-08T01:05:10.353Z","updated_at":"2026-11-08T01:05:10.353Z"},{"id":35,"slug":"ga-urban-trees-carbon-storage","country":"US","region":"GA","locality":null,"scope":"regional","topic":"carbon","statement":"Trees in Georgia's urban areas store about 38.5 million tonnes of carbon and take up roughly 1.8 million tonnes more each year; counting all urban and community land, storage rises to 60.0 million tonnes.","value":38500000,"unit":"tonnes C","year":2013,"source_name":"Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution","source_url":"https://www.fs.usda.gov/nrs/pubs/jrnl/2013/nrs_2013_nowak_001.pdf","method_note":"Carbon density per unit tree cover applied to statewide urban tree cover, c. 2005; gross sequestration","audience":"[\"municipality\",\"landowner\"]","status":"published","created_at":"2026-11-08T01:05:10.345Z","updated_at":"2026-11-08T01:05:10.345Z"}],"license":"CC-BY-4.0"}