Overgrown Arizona forests have fueled unprecedented fires, burning bigger and hotter.
“Forests that once had 40 to 50 trees per acre, now have 500 to a thousand trees per acre,” said Patrick Graham, director of the Arizona Nature Conservancy, at a news conference on Thursday.
Thinning trees can reduce fire danger, but such efforts have been slow to produce results so far. The Nature Conservancy and the US Forest Service announced plans this week to launch a program called Future Forest to search for ways of thinning forests faster and more profitably. read more >>