Washington Post: The amount of the heat-trapping gas methane in the atmosphere is considerably greater than government estimates, a problem significantly fueled by leaks from the U.S. natural gas system, according to a study released Thursday.
The leak rate probably is large enough to negate the value of converting buses and trucks from diesel to natural gas, as governments and private companies have done to help slow the warming of the planet, the scientists concluded.
But even with the current leaks,...