EcoWatch: Natural gas has been sold to us as the environmentally friendly fossil fuel compared to gas or coal since it doesnt release carbon emissions. Weve learned thats not true, since drilling for natural gas can release methane, a far more potential greenhouse gas in contributing to climate change. Now theres some more bad news regarding the methane thats a byproduct of oil and gas drilling operations, including fracking operations. Two studies found that the amount of methane leaked by oil and gas...