Nature World: Global temperatures in 2013 were the sixth warmest on record, the World Meteorological Organization reported Monday in its annual climate statement. The year was marked by a multitude of climate events and instances of extreme weather, including Typhoon Haiyan (Yolanda) in the Philippines, one of the strongest storms ever to make landfall, extreme heatwaves in the Southern Hemisphere, drought in Africa and southern China and record high sea levels.
The temperature record for last year ties 2007...