LA Times: The United States may be emitting 50% more methane, a potent greenhouse gas, than the federal government had previously estimated, according to a new study in the Proceedings of the National Academy of Sciences.
Though carbon dioxide from the combustion of fossil fuels is the main driver of climate change, and less methane than carbon is emitted overall, methane is an even more powerful heat-trapping gas than carbon.
In April, the Environmental Protection Agency said that better pollution control...