Scientists and other experts rattle off options for averting climate catastrophe

 

Meanwhile, the mysterious Edge Foundation released its annual question for 2009, asking smart folks of all disciplines to name what new idea or technology will "change everything." Responses range all over, but there are a few climate-related responses, including British novelist Ian McEwan's prediction that solar technology will really take off and Stanford climatologist Stephen H. Schneider's guess that rapid melting of Greenland's ice sheets will wake up the world to the need to take concerted action on curbing C02 emissions.