Danish energy technology company Ambient Carbon has demonstrated that dilute methane emissions from dairy barns can be eradicated at commercial scale following a field trial in Denmark.

The company’s methane eradication photochemical system (MEPS for short) destroyed up to 90% of methane in barn ventilation air, validating the technology’s performance in real agricultural conditions with concentrations ranging from 4.3 ppm (parts per million) to 44 ppm.

Methane has 84 times more global warming potential than carbon dioxide over a 20-year period, and livestock account for around 30% of human-caused emissions.

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