Climate change makes freak Siberian heat 600 times likelier
By SETH BORENSTEIN, AP Science Writer Nearly impossible without man-made global warming, this year’s freak Siberian heat wave is producing climate change’s most flagrant footprint of extreme weather, a new flash study says. International scientists released a study Wednesday that found the greenhouse effect multiplied the chance of the region’s prolonged heat by at least 600 times, and maybe tens of