A new study shows that systems designed to capture methane from cow manure, called dairy digesters, are highly effective. But ...

Dairy methane digesters cut emissions on farms, but rare leaks can release powerful bursts that may offset their climate ...

Digesters are slashing dairy methane emissions but new research finds even occasional leaks can erase much of the climate ...

Anaerobic digesters converting manure to biogas reduce methane emissions from livestock, but incentives for them have encouraged factory farms to get bigger ...

Add Yahoo as a preferred source to see more of our stories on Google. Methane is a powerful greenhouse gas that is over 80 times stronger than carbon dioxide when trapping heat over a 20-year period.

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 ...

Two Portland residents are suing NW Natural, Oregon’s largest natural gas company, alleging the utility is putting customer money toward methane digester projects at industrial dairy farms without ...

Add Yahoo as a preferred source to see more of our stories on Google. One of California’s biggest sources of methane pollution — its massive dairy industry — operates almost entirely without ...

STATE CENTER — The 8,000 Holsteins that make the feedstock for the $42 million Marshall Ridge Renewable Energy Center are barely visible — just a flash of black-and-white hide behind the screens of a ...