Top 'super emitters' of methane in US's three biggest oil and gas basins, according to analysis

Satellite data shows potentially responsible operators of sites with the highest average methane emission rates in the Permian, Haynesville and Appalachian basins

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Guardian graphicSource: UCLA's STOP Methane Project, Carbon Mapper. Note: data for observed period from 1 January 2025 to 1 June 2026. Researchers used satellite plume data, NGO data and state documents to match emissions with an operator. They did not assign a match if there were multiple operators within a 100-meter radius of the methane plume.