Trees in Massachusetts' urban areas removed about 30,200 tonnes of air pollution in 2010, with human health benefits valued at $223 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Massachusetts' urban areas store about 35.9 million tonnes of carbon and take up roughly 1.2 million tonnes more each year; counting all urban and community land, storage rises to 41.1 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Massachusetts' urban and community trees save residents about $248 million a year in building energy costs ($149 million in electricity and $98.9 million in heating).

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, 2017

Trees in Maryland's urban areas removed about 16,800 tonnes of air pollution in 2010, with human health benefits valued at $112 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Maryland's urban areas store about 11.9 million tonnes of carbon and take up roughly 497,000 tonnes more each year; counting all urban and community land, storage rises to 15.6 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Maryland's urban and community trees save residents about $200 million a year in building energy costs ($97.7 million in electricity and $103 million in heating).

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, 2017

Trees in Michigan's urban areas removed about 21,800 tonnes of air pollution in 2010, with human health benefits valued at $107 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Michigan's urban areas store about 22.9 million tonnes of carbon and take up roughly 654,000 tonnes more each year; counting all urban and community land, storage rises to 28.9 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Michigan's urban and community trees save residents about $244 million a year in building energy costs ($78.3 million in electricity and $166 million in heating).

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, 2017

Trees in Minnesota's urban areas removed about 4,600 tonnes of air pollution in 2010, with human health benefits valued at $26.7 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Minnesota's urban areas store about 9.3 million tonnes of carbon and take up roughly 275,000 tonnes more each year; counting all urban and community land, storage rises to 27.7 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Minnesota's urban and community trees save residents about $127 million a year in building energy costs ($35.1 million in electricity and $92.1 million in heating).

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, 2017

Trees in Missouri's urban areas removed about 10,400 tonnes of air pollution in 2010, with human health benefits valued at $70.2 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Missouri's urban areas store about 11.2 million tonnes of carbon and take up roughly 417,000 tonnes more each year; counting all urban and community land, storage rises to 20.2 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Missouri's urban and community trees save residents about $250 million a year in building energy costs ($74.4 million in electricity and $176 million in heating).

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, 2017

Trees in North Carolina's urban areas removed about 42,000 tonnes of air pollution in 2010, with human health benefits valued at $176 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in North Carolina's urban areas store about 34.0 million tonnes of carbon and take up roughly 1.4 million tonnes more each year; counting all urban and community land, storage rises to 51.0 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

North Carolina's urban and community trees save residents about $204 million a year in building energy costs ($159 million in electricity and $45.2 million in heating).

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, 2017

Trees in Nebraska's urban areas removed about 500 tonnes of air pollution in 2010, with human health benefits valued at $3.9 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Nebraska's urban areas store about 1.6 million tonnes of carbon and take up roughly 51,000 tonnes more each year; counting all urban and community land, storage rises to 2.2 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Nebraska has about 13.3 million urban trees covering 15% of its urban land, with a compensatory value of $9.8 billion, $46.8 million a year in air pollution removal and $28.2 million a year in residential energy savings.

Nowak et al. 2012, Assessing Urban Forest Effects and Values of the Great Plains: Kansas, Nebraska, North Dakota, South Dakota, USDA Forest Service RB-NRS-71, 2008

Nebraska's urban and community trees save residents about $43.3 million a year in building energy costs ($6.7 million in electricity and $36.6 million in heating).

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, 2017

Trees in New Jersey's urban areas removed about 21,900 tonnes of air pollution in 2010, with human health benefits valued at $166 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in New Jersey's urban areas store about 28.0 million tonnes of carbon and take up roughly 1.1 million tonnes more each year; counting all urban and community land, storage rises to 34.8 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

New Jersey's urban and community trees save residents about $293 million a year in building energy costs ($159 million in electricity and $134 million in heating).

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, 2017

Trees in New Mexico's urban areas removed about 2,100 tonnes of air pollution in 2010, with human health benefits valued at $4.3 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in New Mexico's urban areas store about 1.8 million tonnes of carbon and take up roughly 62,000 tonnes more each year; counting all urban and community land, storage rises to 4.9 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

New Mexico's urban and community trees save residents about $53.7 million a year in building energy costs ($43.6 million in electricity and $10.1 million in heating).

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, 2017

Trees in Nevada's urban areas removed about 1,700 tonnes of air pollution in 2010, with human health benefits valued at $8.1 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Nevada's urban areas store about 1.3 million tonnes of carbon and take up roughly 35,000 tonnes more each year; counting all urban and community land, storage rises to 5.8 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Nevada's urban and community trees save residents about $74.9 million a year in building energy costs ($46.3 million in electricity and $28.5 million in heating).

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, 2017

Trees in New York's urban areas removed about 31,900 tonnes of air pollution in 2010, with human health benefits valued at $346 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in New York's urban areas store about 32.1 million tonnes of carbon and take up roughly 1.0 million tonnes more each year; counting all urban and community land, storage rises to 43.2 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

New York's urban and community trees save residents about $407 million a year in building energy costs ($207 million in electricity and $200 million in heating).

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, 2017

Trees in Ohio's urban areas removed about 24,500 tonnes of air pollution in 2010, with human health benefits valued at $205 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Ohio's urban areas store about 22.9 million tonnes of carbon and take up roughly 739,000 tonnes more each year; counting all urban and community land, storage rises to 32.3 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Ohio's urban and community trees save residents about $335 million a year in building energy costs ($92.3 million in electricity and $243 million in heating).

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, 2017

Trees in Oklahoma's urban areas removed about 3,900 tonnes of air pollution in 2010, with human health benefits valued at $26.9 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Oklahoma's urban and community tree cover declined faster than any other state's, about 0.92% a year between roughly 2009 and 2014.

Nowak & Greenfield 2018, Declining urban and community tree cover in the United States, Urban Forestry & Urban Greening 32 (USDA Forest Service Treesearch), 2018

Trees in Oklahoma's urban areas store about 4.3 million tonnes of carbon and take up roughly 187,000 tonnes more each year; counting all urban and community land, storage rises to 29.1 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Oklahoma's urban and community trees save residents about $88.0 million a year in building energy costs ($78.3 million in electricity and $9.7 million in heating).

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, 2017

Trees in Oregon's urban areas removed about 5,000 tonnes of air pollution in 2010, with human health benefits valued at $103 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Oregon's urban and community tree cover declined by about 0.38% a year between roughly 2009 and 2014, the fourth-fastest loss among US states.

Nowak & Greenfield 2018, Declining urban and community tree cover in the United States, Urban Forestry & Urban Greening 32 (USDA Forest Service Treesearch), 2018

Trees in Oregon's urban areas store about 8.1 million tonnes of carbon and take up roughly 255,000 tonnes more each year; counting all urban and community land, storage rises to 10.8 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Oregon's urban and community trees save residents about $41.3 million a year in building energy costs ($23.4 million in electricity and $17.9 million in heating).

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, 2017

Trees in Pennsylvania's urban areas removed about 30,800 tonnes of air pollution in 2010, with human health benefits valued at $369 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Pennsylvania's urban areas store about 28.7 million tonnes of carbon and take up roughly 911,000 tonnes more each year; counting all urban and community land, storage rises to 45.4 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Pennsylvania's urban and community trees save residents about $380 million a year in building energy costs ($140 million in electricity and $240 million in heating).

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, 2017

Trees in South Carolina's urban areas removed about 23,600 tonnes of air pollution in 2010, with human health benefits valued at $118 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in South Carolina's urban areas store about 17.3 million tonnes of carbon and take up roughly 760,000 tonnes more each year; counting all urban and community land, storage rises to 27.1 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

South Carolina's urban and community trees save residents about $111 million a year in building energy costs ($82.9 million in electricity and $28.5 million in heating).

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, 2017

Trees in Tennessee's urban areas removed about 19,900 tonnes of air pollution in 2010, with human health benefits valued at $103 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Tennessee's urban areas store about 18.9 million tonnes of carbon and take up roughly 744,000 tonnes more each year; counting all urban and community land, storage rises to 38.2 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Tennessee's urban and community trees save residents about $161 million a year in building energy costs ($106 million in electricity and $54.8 million in heating).

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, 2017

Trees in Texas' urban areas removed about 36,500 tonnes of air pollution in 2010, with human health benefits valued at $222 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Texas' urban areas store about 45.2 million tonnes of carbon and take up roughly 2.2 million tonnes more each year; counting all urban and community land, storage rises to 81.4 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Texas' urban and community trees save residents about $601 million a year in building energy costs ($519 million in electricity and $82.1 million in heating).

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, 2017

Trees in Utah's urban areas removed about 2,400 tonnes of air pollution in 2010, with human health benefits valued at $11.5 million.

Nowak et al. 2014, Tree and forest effects on air quality and human health in the United States, Environmental Pollution, 2010

Trees in Utah's urban areas store about 2.1 million tonnes of carbon and take up roughly 58,000 tonnes more each year; counting all urban and community land, storage rises to 7.5 million tonnes.

Nowak et al. 2013, Carbon storage and sequestration by trees in urban and community areas of the United States, Environmental Pollution, 2013

Utah's urban and community trees save residents about $65.6 million a year in building energy costs ($17.7 million in electricity and $47.9 million in heating).

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, 2017