San Francisco Bay Area methane emissions may be double what we thought

Source: Science Daily

Emissions of methane, a potent climate-warming gas, in the San Francisco Bay Area may be roughly twice as high as official estimates, with most of it coming from biological sources, such as landfills, but natural gas leakage also being an important source, according to a new study,

https://www.sciencedaily.com/releases/2017/01/170117135738.htm