Methane Emissions Are Spiking, But It Might Be More Cow Than Car

climateprogress

Since 2006, atmospheric levels of methane — a greenhouse gas 86 times more potent than carbon dioxide over a 20-year period — have steadily been on the rise. For years, scientists weren’t sure what was behind the rising levels of methane, but they had a few ideas: namely an increase in fossil fuel-related emissions. More here.