Natural gas, touted as a ‘clean fuel’, is composed mostly of methane, and when burned, is less carbon polluting than other fossil fuels. Released into the atmosphere, though, methane is a dangerous greenhouse gas and a powerful contributor to climate change, with an impact on global temperature roughly 84 times that of carbon dioxide over a 20-year period. From "2016 New Years Resolutions" - Corporate Examiner Volume 38, Number 6 (February 2016)