Carbon Output Must Near Zero To Avert Danger, New Studies Say

By Juliet Eilperin

Washington Post Staff Writer
Monday, March 10, 2008; Page A01

"The task of cutting greenhouse gas emissions enough to avert a dangerous rise in global temperatures may be far more difficult than previous research suggested, say scientists who have just published studies indicating that it would require the world to cease carbon emissions altogether within a matter of decades." (full story)