A growing number of California dairy farms are reducing their climate impact with methane digesters that capture the heat-trapping gas so it can be used as biofuel. But farming communities worry about ...

PIXLEY, Calif. (AP) — The stench of cow feces, urine and ammonia forces residents to keep windows and doors closed in parts of California's farming country. Some people constantly run air purifiers at ...

Renewable Natural Gas Production Capacity Expected to Increase by 80% to 550,000 MMBtu of RNG per Year From Twelve Digesters Processing Waste From Sixteen Dairies This month, Aemetis also expects to ...

Anaerobic digestion is widely used around the world to treat organic waste while producing biogas, a renewable energy source ...

At the end of February, the town board of Lind, Wisconsin voted against changing the zoning laws to allow a nearby 600-cow dairy to install an anaerobic digester. These digesters are becoming more ...

Renewable Natural Gas Production Capacity Expected to Increase by 80% to 550,000 MMBtu of RNG per Year From Twelve Digesters Processing Waste From Sixteen Dairies “Aemetis Biogas is on track to ...

Methane digesters are being promoted to reduce animal waste and create energy on farms, including CAFOS (Concentrated Animal Feeding Operations). Sounds like a great idea, right? However, the real ...

This coverage is made possible through a partnership with IPR and Grist, a nonprofit independent media organization dedicated to telling stories of climate solutions and a just future. A semi truck ...