A new study published this week in the journal Risk Analysis found that gas leaks are not only hazardous on a local level, but are also “a driver of broader regional pollution dynamics through spillover” to neighboring states.

“Even if the incidents are concentrated in some states, which are characterized by an old infrastructure, the impact could automatically affect other neighboring states, even if in that state, the infrastructure is good,” said Younes Ben Zaied, a professor of finance at the EDC Paris Business School and a co-author of the study.

The study suggests that gas leaks, already known to have significant health impacts and to release the unburned greenhouse gas methane, can also have geographically far-reaching consequences. Methane is 86 times more warming of the atmosphe

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