Abandoned wells can be ‘super-emitters’ of greenhouse gas

Princeton University researchers have uncovered a previously unknown, and possibly substantial, source of the greenhouse gas methane to the Earth’s atmosphere.After testing a sample of abandoned oil and natural gas wells in northwestern Pennsylvania, the researchers found that many of the old wells leaked substantial quantities of methane. Because there are many abandoned wells nationwide, the researchers believe the overall contribution of leaking wells could be significant. —> Read More Here


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