The year 2012 was the warmest year on record for the United States. It was also a year of extraordinary natural disasters in both the U.S., and abroad. Hurricane Sandy, for example, was the eleventh billion-dollar weather-related disaster for the U.S. in 2012, accompanied by unprecedented heat waves, droughts and tornadoes.  Tropical storms and flooding in East Asia, unexpected heavy rains and flooding in Somalia, Nigeria, and the Republic of Congo, 19 straight months of punishing drought in northern Brazil, are just a few examples of a very volatile year in terms of extreme weather events globally. The security implications of these, and other similar events, will certainly be a subject of study in the years to come, as will be their connections to climate change. (more…)