http://www.sciencentral.com/video/2008/12/23/trees-and-forests-show-stress-from-global-warming/ Making Sense of Science Thu, 09 Feb 2012 00:32:48 +0000 http://wordpress.org/?v=2.5.1 http://www.sciencentral.com/video/2008/12/23/trees-and-forests-show-stress-from-global-warming/#comment-1412 John Buermeyer Wed, 31 Dec 2008 21:59:31 +0000 http://www.sciencentral.com/video/?p=312#comment-1412 In Canada these beetles were almost unheard of until 10 or 15 years ago. They were held back by -40 temperatures that would occur every few years. Now it seems it doesn't get cold enough anymore and huge areas of British Columbia have been affected. Sounds like global warming has had a real impact in B.C. In Canada these beetles were almost unheard of until 10 or 15 years ago. They were held back by -40 temperatures that would occur every few years. Now it seems it doesn’t get cold enough anymore and huge areas of British Columbia have been affected. Sounds like global warming has had a real impact in B.C.

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