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This map shows anomalous U.S. methane emissions (or how much the emissions differ from average background concentrations) for 2003 to 2009, as measured by the European Space Agency's SCIAMACHY instrument. The Four Corners area—the area where Arizona, Colorado, New Mexico and Utah meet—is the only red spot on the map. (Image credit: NASA/JPL-Caltech/University of Michigan)

This map shows anomalous U.S. methane emissions (or how much the emissions differ from average background concentrations) for 2003 to 2009, as measured by the European Space Agency's SCIAMACHY instrument. The Four Corners area—the area where Arizona, Colorado, New Mexico and Utah meet—is the only red spot on the map. (Image credit: NASA/JPL-Caltech/University of Michigan)

NASA Study Nails Fracking as Source of Massive Methane 'Hot Spot'

The 2,500-square mile plume is said to be the largest concentration of the potent greenhouse gas in the country

Lauren McCauley

A NASA study released on Monday confirms that a methane "hot spot" in the Four Corners region of the American southwest is directly related to leaks from natural gas extraction, processing, and distribution.

The 2,500-square mile plume, first detected in 2003 and confirmed by NASA satellite data in October 2014, is said to be the largest concentration of atmospheric methane in the U.S. and is more than triple a standard ground-based estimate. Methane, the primary component of natural gas, is a highly-efficient greenhouse gas—84 times more powerful than carbon dioxide, and a significant contributor to global warming.

The study, published in the Proceedings of the National Academy of Sciences and funded primarily by NASA and the National Oceanic and Atmospheric Administration (NOAA), surveyed industry sources including gas processing facilities, storage tanks, pipeline leaks, and well pads, as well as a coal mine venting shaft.

It found that leaks from only 10 percent of the individual methane sources are contributing to half of the emissions, confirming the scientists' suspicions that the mysterious hotspot was connected to the high level of fracking in the region.

There are more than 20,000 oil and gas wells operating in the San Juan Basin, where Arizona, Colorado, New Mexico, and Utah meet. The U.S. Energy Information Administration estimates that overall annual gas production in the basin is as much as 1.3 trillion cubic feet, mostly from coal bed methane and shale formations. 

"NASA's finding that the oil and gas industry is primarily responsible for the 'hot spot' is not surprising," stated the Western Environmental Law Center, a nonprofit public interest law firm. "In fact, the researchers found only one large source of methane not related to oil and gas operations: venting from the San Juan coal mine. This discovery renders attempts to point the finger at other potential emissions sources, like coal outcrops and landfills, definitively refuted."

The study further underscores how problematic current estimates of methane emissions from oil and gas operations are. 

"To estimate methane emissions from oil and gas facilities, the Environmental Protection Agency (EPA) uses a process-based approach that assumes a normal distribution of emissions for each process used in extraction, processing, and distribution," the authors wrote. "In reality, the flux distribution can be heavily skewed, resulting in a heavy-tailed distribution."

The Western Environmental Law Center expressed concern over the unknown sources of the remaining 50 percent of emissions and took issue with the study's conclusion that mitigation will only require "identifying and fixing a few emitters."

"The other 50 percent of methane emissions in the region cannot be ignored, and mitigating field-wide emissions will require the oil and gas industry to cut emissions from all sources, large and small, if we are to eliminate New Mexico's 'hot spot,'" the group states.

Citing a recent report by energy consultants with ICF International, Ramon Alvarez, a senior scientist with the Environmental Defense Fund, notes that industry operations in the region have "the worst record in the nation" for methane leaks. "[V]enting, flaring, and leaks from oil and gas sites on federal and tribal land in New Mexico, alone, effectively threw away $100 million worth of gas in 2013," Alvarez wrote.

Both the NASA study and Alvarez point to new methane standards under development by the Obama administration as being key to reducing these emissions. But environmentalists contend that while these rules are "a welcome safeguard," as 350.org executive director May Boeve recently put it, "The only way to protect our communities from the risks of fracking, and stave off the worst impacts of climate change, is to keep fossil fuels in the ground."


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Harris Says White House Not 'Discussing' Use of Federal Land for Abortion Care

Sen. Elizabeth Warren and Rep. Alexandria Ocasio-Cortez are among the Democratic lawmakers who have expressed support for the idea as GOP-controlled states move to outlaw abortion.

Jake Johnson ·


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"Today is a win, but it is only the first step in what will undoubtedly be a long and difficult fight," said one pro-choice advocate.

Brett Wilkins ·


Scores Feared Dead and Wounded as Russian Missiles Hit Ukraine Shopping Center

"People just burned alive," said Ukraine's interior minister, while the head of the Poltava region stated that "it is too early to talk about the final number of the killed."

Brett Wilkins ·


Biodiversity Risks Could Persist for Decades After Global Temperature Peak

One study co-author said the findings "should act as a wake-up call that delaying emissions cuts will mean a temperature overshoot that comes at an astronomical cost to nature and humans that unproven negative emission technologies cannot simply reverse."

Jessica Corbett ·


Amnesty Report Demands Biden Take Action to End Death Penalty

"The world is waiting for the USA to do what almost 100 countries have achieved during this past half-century—total abolition of the death penalty," said the group.

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