Despite the efforts of more than half of all countries worldwide to curb a key climate super-pollutant, a report released this week by the United Nations Environment Programme at the U.N. climate summit shows that global methane emissions continue to climb at a troubling pace.

The report was the first worldwide assessment of the Global Methane Pledge, an effort to curb methane emissions, since the United States and the European Union launched the initiative during the U.N.’s annual Conference of the Parties climate summit in Glasgow in 2021.

Methane—a potent greenhouse gas and the second leading driver of climate change after carbon dioxide—is responsible for approximately one-third of human-caused warming to date. The U.S. remains part of the non-binding pledge but has rolled back metha

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