Methane stays in the atmosphere for less time than CO2, but has a far greater warming effect over a 20-year period. PARIS: World officials pushed on Monday (May 4) for faster action to reduce methane emissions from the fossil fuel sector, arguing it would both help slow climate change and boost energy security as the Middle East war chokes off supply. Using its role as rotating president of the Group of Seven industrialised powers, France convened government officials, industry leaders and