New York Times: The savage heat waves that struck Australia in 2013 were almost certainly a direct consequence of the human release of greenhouse gases, researchers said Monday. It is perhaps the most definitive statement climate scientists have made that ties a specific weather event to global warming.
Five groups of researchers, using distinct methods, analyzed the heat that baked Australia for much of last year and continued into 2014, shutting down the Australian Open tennis tournament at one point in January....