Art Bell welcomes climate scientist Richard Somerville, a distinguished professor at the Scripps Institution of Oceanography, for a thorough discussion of global warming and its accelerating impacts. Somerville explains the basic science behind the greenhouse effect and presents evidence that human carbon dioxide emissions are the primary driver of rising temperatures, while acknowledging the complexity of climate modeling. The conversation addresses specific projections, including a NASA study… Full show notes & guests: https://artbellarchive.org/episode/may-13-2007-climate-change-and-global-warming-richard-somerville