Biodigesters capture methane from manure. The methane can then be refined into fuel.
Dairy farms install biodigesters that capture methane from cow waste and convert it into renewable energy and fertilizer. The technology transforms a climate liability into a revenue stream, signaling growing demand for circular-economy solutions in agriculture.
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The methane digester at the New Hope Dairy in Galt, Calif. (AP Photo/Rich Pedroncelli)
Transcript:
Cows poop a lot. On large dairy farms, dealing with all that waste can be a challenge.
Some farmers pile it into pits, where it emits climate-warming methane as it breaks down. But on other farms, cow poop is being turned into energy instead.
The manure-to-energy field has a new sales pitch. Critics warn it could mean even more factory farms.
Some dairy farmers say Dairy cow manure is "nature's crude oil".
Anaerobic digester loans showed “significant delinquency rates,” the U.S. Department of Agriculture said, while environmental…
Singularity Fuels in California has completed a six month trial of its system that converts bio-methane to sustainable aviation…
Rich, healthy soil helps his crops withstand both floods and droughts.
A ‘climate battery’ system helps plants thrive all winter – no fossil fuels needed.
