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Despite Leaky Methane, is Natural Gas is Still Worth the Switch?

2014-02-14 12:48:00| Climate Ark Climate Change & Global Warming Newsfeed

Wall Street Journal: The U.S. is in a golden age for natural gas. Will leaky infrastructure bring it to an end? A new report, issued today in Science, is the latest to tackle the difficult issue of how much gas - and its primary ingredient, methane - leaks into the atmosphere. This may seem a bit arcane, but it's a critical issue for the future of the energy industry and the transportation sector as well. Here's a quick rundown: Methane is a potent greenhouse gas, more potent than carbon dioxide. Natural gas has...

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Wide-ranging review sees much higher methane leakage from natural gas operations

2014-02-14 07:00:00| Climate Ark Climate Change & Global Warming Newsfeed

EnergyWire: Natural gas operations are leaking more of a potent greenhouse gas than previously assumed, but even so, the fossil fuel is better than coal for the climate, according to a comprehensive new study. The study found that U.S. EPA's greenhouse gas inventory is underestimating the amount of methane emitted in the United States by about 50 percent. Some of that excess is from the natural gas sector. The study was published yesterday in the journal Science and was funded by the Cynthia and George...

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Underestimated Methane Leaks Make Natural Gas Dirtier Than Previously Thought, Says Study

2014-02-14 00:01:00| Climate Ark Climate Change & Global Warming Newsfeed

Forbes: Methane emissions are worse than the conventional wisdom would have you believe, according to a new study by researchers at Stanford University. Methane, which is the primary component of natural gas, is an especially powerful greenhouse gas, packing more than two dozen times as much global warming potential than carbon dioxide. Traditionally, environmental regulators and energy industry groups have estimated methane emissions by multiplying the amount of methane emitted by a specific source...

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Natural Gas May Benefit Climate Despite Methane Leaks

2014-02-13 22:30:00| Climate Ark Climate Change & Global Warming Newsfeed

Climate Central: Methane leaks are common in the U.S. natural gas production and distribution system, but they do not fully negate the climate benefits of using natural gas to produce electricity over burning coal for electric power, according to a new Stanford University analysis. The paper, to be published Friday in the journal Science, concludes that U.S. Environmental Protection Agency inventories underestimate methane emissions from natural gas production, but hydraulic fracturing -- a process of fracturing...

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Global warming gas methane exceeds government estimates, new study contends

2014-02-13 22:07:00| Climate Ark Climate Change & Global Warming Newsfeed

Washington Post: The amount of the heat-trapping gas methane in the atmosphere is considerably great­er than government estimates, a problem significantly fueled by leaks from the U.S. natural gas system, according to a study released Thursday. The leak rate probably is large enough to negate the value of converting buses and trucks from diesel to natural gas, as governments and private companies have done to help slow the warming of the planet, the scientists concluded. But even with the current leaks,...

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