BP oil spill: methane persisted in sea after microbe cleanup

As much as half a million tonnes of natural gas, 80 percent of it methane, leaked into the deep sea as a result of the blowout on April 20, 2010, on BP’s Deepwater Horizon rig. The leak triggered a surprising “bloom” of marine bacteria that feasted on the gassy hydrocarbon plume.  The bugs did indeed remove a significant amount of the gas, but their population crashed while the leak was still in progress, it said. Read more here  12:15

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