A study from the US Forest Service has found that, nationally, tree cover is declining at a rate of 175,000 acres per year which is the equivalent of about 36 million trees lost each year.
urban tree canopy
Human Geography
When Streets Have No Trees
The presence of trees in cities yields multiple benefits.
Human Geography, Maps and GIS
Urban Tree Canopy Maps
National Geographic has created maps taking a look at tree coverage in nine of the largest cities in the U.S. in a feature entitled, “Nine Cities That Love Their Trees”.