THE DIRT


At a Casey Trees‘ conference on urban forestry, David Nowak, Ph.D, research forester at the U.S. Forest service, one of the world’s foremost experts on urban forests, and a member of the team that won the Nobel Prize at the Intergovernmental Panel on Climate Change (IPCC), said out of the 20 biggest cities in the U.S., 17 have declining urban forests. “Tree cover is going down.” For example, researchers have found that D.C.’s urban forestry cover decreased by 1 percent in the last 20 years, while impervious cover (hard concrete) grew by 20 percent. Now and in the future, the key to boosting urban forests may be to make better use of innovative Web applications like iTree, which “estimate value and benefits” of the tree canopy.

Nowak said to really understand urban forests you have to look at their extent or structure. You have to know “how…

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About Rashid Faridi

I am Rashid Aziz Faridi ,Writer, Teacher and a Voracious Reader.
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