Methane has a bad reputation as a green house gas. It burns well. It stores well, Called Natural Gas Methane is emitted during the production and transport of coal, natural gas, and oil. Methane emissions also result from livestock and other agricultural practices, land use and by the decay of organic waste in municipal solid waste landfills Its a green house gas 25 x as potent as CO2 But it lasts on average 9.1 years in the atmosphere compared to Carbon Dioxide 100 years