The Biggest Environmental Catastrophe No One Is Talking About - U.S. oil & gas producers spew more than 9 million metric tons of methane into the atmosphere every year

Oil and gas producers in the U.S., spew more than nine million metric tons of methane into the atmosphere every year, according to the EDF. Some of those emissions come from major leaks. In February, seepage at the Aliso Canyon gas storage facility, near Porter Ranch, California, released roughly 100,000 tons of methane gas into the atmosphere before it was plugged. It was the largest methane leak in U.S. history.  
The Aliso Canyon breach was an extreme example of a problem that affects natural gas storage facilities across the country, Mark Brownstein, the vice president of the EDF’s climate and energy program, told HuffPost in January.

The danger of large leaks is particularly pronounced at natural gas fields that have been converted into underground gas storage facilities, like Aliso Canyon, according to geologist Briana Mordick, a senior scientist at the Natural Resources Defense Council.

Despite the risks at large storage facilities, much of the country’s methane emissions come from small natural gas processing and storage plants, according to Watson. “This study has shown that you can have super emitter problems at small facilities,” he said. 

The causes of methane leaks vary. Faulty equipment, shoddy maintenance and infrequent inspections can create seepages and allow them to persist. “[Inspectors] run across cases all the time where somebody’s just left a hatch open,” Watson said. “If you’re not out there looking for these things on a regular basis, you won’t see or smell these emissions.”

Some states have stepped up efforts to find and plug leaks. In 2014, Colorado became the first state to require oil and gas companies to fix seepages at their facilities. Colorado requires companies to capture 95 percent of their routine methane emissions. States like California appear to be following Colorado’s lead, as others race each to adopt stricter measures to prevent leaks, according to Watson.

But fixing the country’s scattered methane leaks will require federal laws mandating tougher and more frequent inspections of oil and gas facilities, Watson said. “Unfortunately, we have too few participants in the race, which is why, ultimately, you have to have a federal floor in place,” he said.


The American Petroleum the oil and gas industry’s main trade association in the U.S., said in a statement last year that the industry is taking steps to find and fix methane leaks. The API did not respond to a HuffPost request for comment.
http://www.huffingtonpost.com/entry/potent-methane-gas-leaks_us_570d62fce4b0885fb50e9306?section=india

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