A single tree...*

...absorbs almost 50 lbs of carbon dioxide and also absorbs sulfur dioxide ( produced by coal-burning power plants), nitrous oxides (produced by vehicular exhaust), particulate pollutants (produced from burning fuel especially diesel)
...produces enough oxygen to sustain two adults
...reduces noise pollution
...reduces asphalt temperature by 36 degrees F
...reduces storm water runoff and erosion
...increases property value
...reduces interior temperature of parked cars by 47 degrees F

According to the US Forest Service homes with trees use 20-25% less energy than those without. Plant evergreens on the north side to block cool northern winds and deciduous trees to the south, east and west to offer summer shade and winter sun.