Mainstream scientists now agree that the earth is getting warmer and that humans are the main cause. But questions remain --- how cataclysmic and destructive of a phenomenon is climate change? And can each of us as individuals really do something significant to short circuit climate change?
Guest
- Richard Somerville , theoretical meteorologist and distinguished professor at Scripps Institution of Oceanography, coordinating lead author of IPCC report.
(Listen to highlights from KPBS radio series "A Matter of Degrees: Climate Change in San Diego" tomorrow morning on These Days at 9 a.m. [89.5 FM on your radio dial.] )