# Tree-planting activity types

> How TreeRM categorizes what organizations do. An organization can have several; each program has one.

- [Reforestation](https://treerm.org/activities/reforestation.md) (38 organizations): Replanting trees on land that was recently forested, restoring degraded or cleared forests.
- [Afforestation](https://treerm.org/activities/afforestation.md) (6 organizations): Establishing new forests on land that was not previously forested.
- [Urban forestry](https://treerm.org/activities/urban-forestry.md) (24 organizations): Planting and caring for trees in cities, neighborhoods, streets, parks and schoolyards.
- [Tree adoption & giveaways](https://treerm.org/activities/tree-adoption-giveaway.md) (13 organizations): Distributing free or low-cost trees to residents to plant at home, often at live events.
- [Agroforestry](https://treerm.org/activities/agroforestry.md) (19 organizations): Integrating trees with crops and livestock to improve farmer livelihoods and soil.
- [Mangrove restoration](https://treerm.org/activities/mangrove-restoration.md) (5 organizations): Restoring coastal mangrove forests for carbon storage, fisheries and storm protection.
- [Nurseries & seedlings](https://treerm.org/activities/nursery-seedling-production.md) (19 organizations): Growing seedlings and saplings for planting programs.
- [Seed collection](https://treerm.org/activities/seed-collection.md) (8 organizations): Collecting, banking and distributing native tree seed.
- [Tree care & maintenance](https://treerm.org/activities/tree-care-maintenance.md) (9 organizations): Watering, pruning, mulching and long-term stewardship of planted trees.
- [Education & advocacy](https://treerm.org/activities/education-advocacy.md) (33 organizations): Training, community education, policy work and public campaigns for trees.
- [Carbon offset planting](https://treerm.org/activities/carbon-offset-planting.md) (10 organizations): Planting funded by or generating carbon credits and corporate offsets.
- [Food forests & orchards](https://treerm.org/activities/food-forests-orchards.md) (8 organizations): Planting fruit and nut trees for community food security.
- [Disaster & fire recovery](https://treerm.org/activities/disaster-fire-recovery.md) (6 organizations): Replanting after wildfire, storms, floods or other disasters.
- [Research & monitoring](https://treerm.org/activities/research-monitoring.md) (10 organizations): Measuring survival, growth and ecological outcomes of planting efforts.