This temperature reduction can significantly lower smog production, according to the U.S. Department of Energy. Trees can reduce wind speeds by up to 85 percent, compared to treeless areas. City trees also help to counter the urban heat island effect. Trees reduce noise pollution by acting as a buffer and absorbing urban noise. A U.S. Department of Energy study reports that a 100 foot wide and 45 foot tall patch of trees can reduce noise levels by 50 percent.
Trees increase economic stability by attracting and keeping businesses and shoppers in a community.
Mature trees also raise property values by up to 20 percent, according to the American Forestry Association. Trees provide homes for animals that would otherwise be unable to survive in an urban habitat. Trees help create relaxation and well being. A study of public housing residents in Chicago has shown that trees can play an important role in reducing urban violence. Trees add beauty and reflection to our everyday lives.