Lower-income urban neighborhoods are less likely to have trees. The Washington Post conducted a study of the city’s tree canopy, that concluded: Lower-income neighborhoods were substantially less likely to have trees, with the city’s densest greenery clustered west of the 16th Street Northwest fault line that divides some of Washington’s wealthiest neighborhoods from the rest of town. Check out the rest of the story.
http://www.theatlanticcities.com/housing/2013/05/inequality-urban-tree-cover/5604/
Dr. Tony G. Reames 