tree mortality

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

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,…

Warming Climate Changing U.S. Fields and Forests

Warming Climate Changing U.S. Fields and Forests

WASHINGTON, DC, May 28, 2008 (ENS) – Forests in the interior western United States, the southwest, and Alaska are already being affected by climate change with increases in the size and frequency of forest fires, insect outbreaks and tree mortality. These changes are expected to continue, according to a new report issued Thursday by the…