Defusing the Arctic Methane Time Bomb

Guest Post by David Middleton The Arctic methane time bomb keeps ticking… From Scientific American… Climatewire More Arctic Methane Bubbles into Atmosphere A new study suggests more than twice as much of the potent greenhouse gas is bubbling out of the rapidly warming Arctic Ocean, speeding climate change By Stephanie Paige Ogburn and ClimateWire Arctic…

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That ‘Methane Time Bomb’ now lurks behind dams

From the American Chemical Society. I wonder if they studied how much methane comes from sediment loads dropped by rivers naturally and compared them? The Mississippi Delta alone must be a terrible offender. Sediment trapped behind dams makes them ‘hot spots’ for greenhouse gas emissions With the “green” reputation of large hydroelectric dams already in…