Methane Compared To Co2
84 x methane CH4 Ie. Once emitted methane stays in the atmosphere for about nine years a far shorter period than carbon dioxide. Claim That Cows Have More Impact On Climate Than Cars Depends On The Timescale Climate Feedback Methane has a relatively short life of 12 years compared to the hundreds or even thousands of years that CO2 hangs around. Methane compared to co2 . A continued rise in the amount of methane in the air could easily cancel out any near-term progress we. While carbon dioxide is typically painted as the bad boy of greenhouse gases methane is roughly 30 times more potent as a heat-trapping gas. Releasing 1 kg of CH4 into the atmosphere is about equivalent to releasing 84 kg of CO 2. Methanes 100-year GWP is about 28x CO2 but it only persists in the atmosphere for a little more than a decade. Ad Shop Thousands of Classic Movies DVDs at Official TCM Shop Today. Therefore the absolute concentration change to double methane is much smaller than for CO2.