2010 ties for warmest year, emissions to blame - U.S.

WASHINGTON (Reuters) - Last year tied for the warmest globally since data keeping began, capping a decade of record high temperatures that show mankind's greenhouse gases emissions are heating the planet, a U.S. agency said.

Global surface temperatures in 2010 were 1.12 degrees Fahrenheit (0.62 Celsius) above the 20th century average, tying the record set in 2005, the National Climatic Data Center at the National Oceanic and Atmospheric Administration said on Wednesday.