A few years ago, we drove to Idyllwild. On the way, we noticed what appeared to be many dead trees. Not too long after that forest fires hit the area. I read a newspaper article at the time that blamed the fires on the many dead trees. The article said the dead trees were due to bark beetles. I read recently that the bark beetles are infesting large areas of forest in several western states because it takes one week of very cold weather to reduce the bark beetle population. Apparently, forests are being killed due to the slight increase in the temperature.
http://www.cbsnews.com/stories/2004/05/03/national/main...
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