Artículo Dissent, primavera 2015 Daniel Immerwahr, profesor adjunto de historia en la Northwestern UniversityThe year 2013 was one of the ten hottest on record. So was 2010. So were 2009, 2007, 2006, 2005, 2003, 2002, and 1998. Last year, with its polar vortex and biting winter, seemed to bring relief to North America. Except it also brought...