New Study Says Black Carbon Is Much Greater Factor In Global Warming Than Previously Thought; James Hansen Says Soot Is Responsible For Arctic Melting, Not CO2

Read here, here, and here. In a study published in 2005, Hansen finds that soot is Arctic ice melt culprit, not CO2; a new study in Science finds that soot aerosol particles have had a much larger impact on global warming; and, an earlier NASA 2009 NASA study revealed soot as principal warming factor for Arctic.