President Joe Biden made a brief appearance at COP27, the annual United Nations climate conference, on Friday to try and convince the world that the United States is more committed than ever to tackling climate change. In addition to touting the passage of the biggest climate bill in U.S. history, the president announced several initiatives to cut emissions of the powerful greenhouse gas methane, including new oil and gas regulations at home and a plan to drive down emissions internationally.

Cutting methane emissions is an urgent climate project. The gas is 80 to 90 times stronger than carbon dioxide at heating up the planet in its first 20 years in the atmosphere, and it leaks out of fossil fuel infrastructure ranging from wells to pipelines all the way to power plants and homes. Methane breaks down in the atmosphere …

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