A leaked draft of a forthcoming report from the Intergovenmental Panel on Climate Change finds that scientists are 95 percent sure that humans are causing global warming. The 2007 report hedged a tiny bit on human culpability, stating that there was only a 90 percent chance that humans were causing warming; but six years later, climatologists are more sure than ever.
“It is extremely likely that human influence on climate caused more than half of the observed increase in global average surface temperature from 1951 to 2010,” the draft report says, according to the New York Times. “There is high confidence that this has warmed the ocean, melted snow and ice, raised global mean sea level and changed some climate extremes in the second half of the 20th century.”
via news.yahoo.com
