Methane Leaks From Oil and Gas Wells Now Top Polluters

The oil and gas industry surges past cows as top U.S. methane emitter. In 2012, cows overtook the oil and gas industry as the largest methane emitters Now, bovine emissions have fallen back to second place. According to U.S. EPA's greenhouse gas inventory" In 2013, emissions of methane, a potent greenhouse gas and the primary component of natural gas, from the oil and gas sector rose to the top spot. That's despite fewer wells being drilled that year."