The net cooling effect of a young, healthy tree is equivalent to ten room-size air conditioners operating 20 hours a day.
U.S. Department of Agriculture
If you plant a tree today on the west side of your home, in 5 years your energy bills should be 3% less. In 15 years the savings will be nearly 12%.
Dr. E. Greg McPherson, Center for Urban Forest Research
Landscaping, especially with trees, can increase property values as much as 20 percent.
Management Information Services/ICMA
One acre of forest absorbs six tons of carbon dioxide and puts out four tons of oxygen. This is enough to meet the annual needs of 18 people.
U.S. Department of Agriculture
Trees can be a stimulus to economic development, attracting new business and tourism. Commercial retail areas are more attractive to shoppers, apartments rent more quickly, tenants stay longer, and space in a wooded setting is more valuable to sell or rent.
The Arbor Day Foundation
The planting of trees means improved water quality, resulting in less runoff and erosion. This allows more recharging of the ground water supply. Wooded areas help prevent the transport of sediment and chemicals into streams.
USDA Forest Service
In laboratory research, visual exposure to settings with trees has produced significant recovery from stress within five minutes, as indicated by changes in blood pressure and muscle tension.
Dr. Roger S. Ulrich Texas A&M University
