theverge.com
The Aliso Canyon disaster may have been the largest methane leak in US history
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A gas leak outside of Los Angeles, in Aliso Canyon, last October forced more than 4,600 households into temporary housing and took 112 days to plug. Now, researchers say it may have been the worst methane leak in US history.
Overall, the Aliso Canyon gas leak released more than 100,000 tons of methane, according to a study published today in Science.That’s equivalent to the total annual emissions from 572,000 passenger cars. Air samples collected in the area also contained above-normal levels of benzene, a known carcinogen, and other potentially dangerous compounds. Given that methane is a dangerous greenhouse gas, more than 50 times more potent than carbon dioxide, leaks like the one at Aliso Canyon could end up having a significant…
http://www.theverge.com/2016/2/25/11113382/aliso-canyon-gas-leak-impact-report-science