Fast Fact Library | Landscape Performance Series

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Simulations of the impact of tree shade on residential air conditioning in California showed that three shade trees (two on the west, one on the east side) could reduce a home's annual energy use for cooling by 10...

Simpson, James R., and E. Gregory McPherson. (1996). Potential of tree shade for reducing residential energy use in California. Journal of Arboriculture, 22(1), 10-18.

Carbon sequestration rates are up to 90 times greater for healthy large trees than healthy small trees. In Chicago's urban forest, a typical 3-in diameter tree sequesters approximately 2.3 lbs annually, which is...

McPherson, Gregory E., David J. Nowak, Rowan A. Rowntree. (1994). Chicago’s Urban Forest Ecosystem: Results of the Chicago Urban Forest Climate Project. USDA Forest Service Northeastern Forest Experiment Station General Technical Report NE-186, 63-81.

Findings from monitoring and computer simulations suggest that a single 25-ft tall shade tree can reduce annual heating and cooling costs of a typical residence by 8-12% ($10-25).

McPherson, E. Gregory, and Rowan A. Rowntree. (1993). Energy conservation potential of urban tree planting. Journal of Arboriculture 19(6), 321-331.

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