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Out on a Limb: Global Warming May Be Killing Old-Growth Forests

Conservation Value Notes found this 1/26/2009 on sciam.com

The majestic old-growth forests of western North America, greening patches of the landscape from Arizona to British Columbia, may be far more vulnerable to subtle climate change than scientists previously believed. A study published today in the journal Science reveals that these western forests are dying at faster rates as regional average temperatures climb more rapidly than the global average. [More]