Reuters: The areas of the world hit by heatwaves are set to double in size by 2020 and continue to grow in coming decades, as heat-trapping greenhouse gases warm the global climate, scientists in Germany and Spain said on Thursday.
The projections, based on new computer models and reviewing what the scientists said was an "exceptional number of extreme heatwaves" in the past decade, are more alarming than the conclusions of the U.N. panel of climate scientists last year.
That report by the Intergovernmental...