To learn more about how research demonstrates the value of trees, see these sources:
Downloadable brochure to understand the value of trees (PDF)- “Trees Pay Us Back,” US Forest Service
- “Benefits of Trees and Urban Forests: A Research List,” Alliance for Community Trees
- i-Tree calculator, US Forest Service
- “The Role of Our Urban Forest in the Chicago Metropolitan Region's Future," Chicago Metropolitan Agency for Planning
- "Modeled PM2.5 Removal by Trees in Ten U.S. Cities and Associated Health Effects,” US Forest Service
- Chicago Metropolitan Area Regional Tree Census, The Morton Arboretum and US Forest Service
- “The benefits of trees for livable and sustainable communities”
- https://www.vibrantcitieslab.com/research/air-pollution-impact/
- https://www.naturewithin.info/CityBiz/MainStreetNews_Aug09_Trees.pdf
- McPherson, E. G., van Doorn, N. & de Goede, J. Structure, function and value of street trees in California, USA. Urban For. Urban Greening 17, 104–115 (2016).