National Geographic: Here we go again. The weather's going to extremes: a snowstorm in Jerusalem, wildfires in Australia, a cold snap in China, a heat wave in Brazil. Based on the first two weeks of the new year, 2013's picking up right where 2012 left off.
(What's up with the weather? Read the September 2012 National Geographic story and see a gallery of extreme weather pictures.)
As much as 8 inches (20 centimeters) of snow fell on Jerusalem (map) last Thursday, closing roads across the city. It was the biggest...