Friday, February 27, 2009

science blurb...who's afraid of global warming


We saw that most of the changes on the geological time scales were explained by cosmic rays." Their joint work spawned a new article, published in 2003 in GSA Today under the title "Celestial Driver of Phanerozoic Climate?", looking at climate change over the past 550 million years. The two researchers forcefully argued that the amount of carbon dioxide has, at most, a minimal effect on global warming. This finding, which absolves human beings of responsibility for global warming, aroused stiff opposition.