[Global Warming Fact of the Day] http://phys.org/news/2014-05-tree-reveal-nightmare...

John Irving posted in Global Warming Fact of the Day John Irving 7:29am May 1 http://phys.org/news/2014-05-tree-reveal-nightmare-droughts-west.html Tree rings reveal nightmare droughts in the West phys.org If you think the 1930s drought that caused The Dust Bowl was rough, new research looking at tree rin... View Post on Facebook · Edit Email Settings · Reply to this email to add a comment.