Opinion

December 15, 2010

Commentary: Finding common ground on global warming

It may not feel like it this week, but, according to NASA, 2010 will be the hottest year on record so far. The agency says the record-breaking heat was caused by a combination of man-made factors -- greenhouse gas emissions -- and a natural pattern of warming caused by El Niño in the Pacific Ocean.

Related content

Comments

Videos

Editor's Choice Videos