Reuters: An overwhelming majority of California residents support the state's mandate for reducing heat-trapping greenhouse gas emissions, so long as they do not bear the higher costs of cleaner energy themselves, a new public opinion poll shows. Eighty percent of adults surveyed believe climate change poses a serious threat to California's economy and lifestyle, and 68 percent back a 2006 law for lowering statewide greenhouse gas emissions to 1990 levels by 2020. But support for specific initiatives to...