Watch on CNN: We’re tracking methane pollution in the world's biggest oil field

The Permian Basin, which spans more than 86,000 square miles of West Texas and southeastern New Mexico, is the largest oil field on the planet.

It may be the nation’s largest emitter of methane, a potent greenhouse gas.

Watch this CNN segment to see how we're finding out, by using state-of-the-art technologies to locate, measure and quantify the methane emitted from oil and gas facilities. The work is part of a first-of-its-kind project called PermianMAP.

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