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Methane emissions from fossil fuel exploitation may push Earth past climate tipping point

2014-05-17 03:20:00| Climate Ark Climate Change & Global Warming Newsfeed

Summit Voice: As frackers desperately try to pump every last bit of gas from the ground before the global warming clock runs out, scientists warn that methane emissions could push Earth over a climate tipping point in just a few years. We have to control methane immediately, and natural gas is the largest methane pollution source in the United States, said Robert Howarth, greenhouse gas expert and ecology and environmental biology professor at Cornell University. If we hit a climate-system tipping point...

Tags: point past earth push

 

Catastrophe Claim Adds Fuel Methane Debate

2014-05-16 02:30:00| Climate Ark Climate Change & Global Warming Newsfeed

Climate Central: A Cornell University scientist's claims that oil and gas development is so harmful to the climate that methane emissions and oil and gas production in general need to be cut back immediately to avoid a "global catastrophe" are adding more fuel to the scientific debate over the climate implications of shale oil and gas production. Fossil fuels production is the largest methane pollution source in the U.S., and ignoring those emissions will lead to a climate change "tipping point' from which there...

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Control methane now, greenhouse gas expert warns

2014-05-16 01:46:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceDaily: As the shale gas boom continues, the atmosphere receives more methane, adding to Earth`s greenhouse gas problem. Robert Howarth, greenhouse gas expert and ecology and environmental biology professor, fears that we may not be many years away from an environmental tipping point -- and disaster. "We have to control methane immediately, and natural gas is the largest methane pollution source in the United States," said Howarth, who explains in an upcoming journal article that Earth may reach the point...

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Frackers are flooding the atmosphere with climate-warming methane

2014-05-13 01:47:00| Climate Ark Climate Change & Global Warming Newsfeed

Grist: The free pass that frackers and natural-gas handlers have gotten on their climate-changing methane emissions is really starting to stink to high hell. We told you in February about the results of a meta-analysis of 20 years worth of scientific studies, which concluded that the EPA underestimates the natural-gas industry`s climate impacts by 25 to 75 percent, due to methane leakage from its gas drilling operations and pipelines. Methane, the main component of natural gas, is a potent greenhouse...

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Examining Fate Of Methane Following The Deepwater Horizon Spill

2014-05-12 22:19:00| Climate Ark Climate Change & Global Warming Newsfeed

RedOrbit: The 2010 Deepwater Horizon blowout discharged roughly five million barrels of oil and up to 500,000 metric tonnes of natural gas into Gulf of Mexico offshore waters over a period of 84 days. In the face of a seemingly insurmountable cleanup effort, many were relieved by reports following the disaster that naturally-occurring microbes had consumed much of the gas and oil. Now, a team of researchers led by University of Georgia marine scientists have published a paper in the journal Nature Geoscience...

Tags: fate horizon examining spill

 

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