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 ...

Methane is a powerful greenhouse gas that is over 80 times stronger than carbon dioxide when trapping heat over a 20-year period. It accelerates global warming much faster than CO2. In California, ...

Dairy farmers have narrowly escaped a move to limit the crediting period for anaerobic digesters within California’s Low Carbon Fuel Standard. Yet the California Air Resources Board has agreed on a ...

The California Air Resources Board (CARB) has conducted yet another in a series of academic analyses verifying the climate benefits of dairy digesters and the minimal impacts to neighboring ...

Technician Blake Iske looks out over farmland adjacent to the Marshall Ridge Renewable Energy Center in State Center on Sept. 18. The facility’s three anaerobic manure digesters extract methane from ...

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 ...

Explore the challenges facing the manure biogas project, including loan delinquencies and environmental concerns.

Reducing the amount of methane going into the atmosphere via anaerobic digesters and other means is an important short-term step for addressing climate change, a top scientist says. A lot of the ...

A giant, balloon-like tarp stretches over a lagoon of manure on a Central Valley dairy farm, concealing a quiet but remarkable transformation. Methane, a potent climate-warming gas, is being captured ...

DAIRY FARMER JERRY DA SILVA had a manure problem. The 500 cows on his family's farm produced a lot of waste. He collected it in large lagoons and piped it out and used it as fertilizer on the land ...