Crews work on a relief well at the Aliso Canyon facility above the Porter Ranch area of Los Angeles in early December. A leak has allowed tons of methane to escape into the surrounding neighborhood; stopping it is taking months because of pressure from the leak. Dean Musgrove/Los Angeles Daily News/AP hide caption

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From 'All Things Considered,' Dec. 24: Methane Gas Leak Displaces Thousands

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The Heartland Biogas facility in Weld County, Colo., is one of the country's largest waste treatment plants that converts methane to natural gas. Rebecca Jacobson/Inside Energy hide caption

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From Poop To Power: Colorado Explores New Sources Of Renewable Energy

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Scientists Track Down Serious Methane Leaks In Natural Gas Wells

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