The bulk of the record-setting heat, NASA and NOAA say, is from long-term planetary warming caused by human emissions of greenhouse gases.
Source: 2015 Was Hottest Year in Recorded History, Scientists Say – The New York Times
The bulk of the record-setting heat, NASA and NOAA say, is from long-term planetary warming caused by human emissions of greenhouse gases.
Source: 2015 Was Hottest Year in Recorded History, Scientists Say – The New York Times