Urban heatwaves getting worse, study confirms
Paris (AFP) Jan 30, 2015 - Urban heatwaves have become more frequent over the last 40 years, scientists reported on Friday. A weather database of cities around the world reveals "significant" increases in periods of extremely hot days and falls in the number of cold days, they found. Previous research found that, in the four decades covered in the study, man-made global warming stepped up a gear. But, in urba ... more
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