Yale Environment 360: Although many residents of eastern North America may feel like theyve just suffered through a winter of record cold, the fact is that the winter of 2013-2014 was only the 34th coldest in 119 years of record keeping in the U.S. As this map from the U.S. National Climatic Data Center shows, temperatures in the eastern and southern U.S. from Dec. 1, 2013, to Feb. 28th, 2014, were as much as 8 degrees C (14 F) colder than the 2000 to 2013 average for those months. But the western U.S. and Alaska saw...