When a U.S. Republican senator threw a snowball onto the Senate floor in late February of 2015, he used it to underscore his belief that humanmade climate change was an alarmist conclusion. The snowball had been rolled from the capital grounds in Washington D.C., which, at the time, was experiencing an uncharacteristically cold winter. If global warming was real, he postured, how could the nation's capital experience such severe cold? Uncharacteristically cold winters, however, just might be one of the most hard felt effects of climate change, according to a study published in Nature Geoscience by a team of researchers....
