Methane Causes Vicious Cycle In Global Warming | 89.3 KPCC

Methane Causes Vicious Cycle In Global Warming | 89.3 KPCC: "Carbon dioxide usually gets most of the blame for global warming, but a dramatic increase in methane gas emissions is worrying scientists. Global warming is causing the world's wetlands to produce more methane gas - which in turn is causing more global warming."