Environmental Defense Fund - As the 110th Congress begins to debate global warming policy, our list of ten startling global warming facts underscores what's at stake and why 2007 must be a year for effective national action.
1 - Rank of 2006 as hottest year on record in the continental United States.
1 - Rank of America as top global warming polluter in the world.
20% - Percent increase of America's carbon dioxide emissions from the burning of fossil fuels since 1990.
15% - Percent increase of America's carbon dioxide emissions forecasted by 2020 if we do not cap pollution. Click here for the rest of this article.