sundance

Deaths of Old-Growth Trees Double as Western U.S. Warms

ARCATA, California, January 22, 2009 (ENS) – Death rates of old-growth trees in western U.S. forests have more than doubled over the past few decades, and the most likely cause of the trend is regional warming, finds new research to be published Friday in the journal “Science.” Led by scientists with the U.S. Geological Survey, [...]