By some estimates, black carbon may account for as much as 18% of the planet's warming, making it the No. 2 contributor to climate change after carbon dioxide
carbon dioxideBlack Carbon: A Visible but Overlooked Factor in WarmingTIME: Top Science and Health Stories Fri, 11/13/2009 - 02:10
The E.P.A.'s Move to Regulate Carbon: A Stopgap SolutionTIME: Top Science and Health Stories Fri, 02/20/2009 - 01:00
The EPA has the authority to regulate carbon dioxide as a pollutant, but even environmentalists see the cracks in that strategy |