http://www.cnn.com/2009/TECH/science/01/22/study.forests.dying/index.html
Scanned by: Alvis Brigisover 4 years ago
Forests in the Pacific Northwest are dying twice as fast as they were 17 years ago, and scientists blame warming temperatures for the trend, according to a new study.
This photo of Rocky Mountain National Park in Colorado shows dying pines and firs among healthy trees.
This photo of Rocky Mountain National Park in Colorado shows dying pines and firs among healthy trees.
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The study, to be released Friday in the journal Science, is the first large-scale analysis of environmental changes as contributing factors in the mortality of coniferous forests.