methane capture


By John Carey for the Proceedings of the National Academy of Science.;

Broadcast version by Suzanne Potter for California News Service reporting for the Pulitzer Center-Public News Service Collaboration.

September 23, 2023 (Sacramento) -- Methane, one of the most potent greenhouse gases, is the major component of the biogas that seeps from countless landfills and wastewater plants. It makes sense, then, to prevent that methane from escaping into the atmosphere-indeed, hundreds of solid waste facilities across the United States have done so for decades, either flaring the biogas to burn off the methane or burning the biogas to generate electricity or heat. That gives off carbon dioxide, but still greatly reduces the greenhouse gas potential, as methane is 80 times more potent than CO2 over the first 20 years after emission.

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