One of California’s biggest sources of methane pollution — its massive dairy industry — operates almost entirely without regulation. In fact, not only do the state’s largest dairies face no penalties ...

A climate strategy backed by Gavin Newsom is funding biodigesters that can turn manure into fuel. Local communities say there ...

A California state grant program designed to reduce greenhouse gas emissions results in the direct release of approximately 225,000 to 300,000 metric tons of carbon dioxide into the air each year, ...

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 ...

CORVALLIS - It's not easy running a successful dairy business right in the middle of one of Montana's fastest-growing counties. After all, not everyone appreciates cows or their byproducts. Dan Huls ...

California is taking its fight against global warming to the farm. The nation's leading agricultural state is now targeting greenhouse gases produced by dairy cows and other livestock. Despite strong ...

Maas Energy Works dairy digester at Legacy Ranch in Pixley, Calif. First of a two-part series on renewable natural gas in the agricultural sector. Renewable natural gas, or methane from non-fossil ...

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 ...

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 ...

Dairy cows in northeast Iowa, shown in this 2015 file photo, often produce more manure than cattle raised for beef. A Winneshiek County dairy farm has abandoned its plans to increase the size of its ...