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

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

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

Biogas made from dairy and pig manure has long been an energy source non grata for environmental groups across the country. The fuel is touted by agribusiness, utilities and renewable natural gas ...

The law firm Earthjustice has filed a lawsuit against the federal government for withholding public records on dollars going ...

Let down by electric utilities, farmers bet on natural gas as a more promising way to make a return from cow manure. This story is the second in a three-part series. Read the first and third ...

MADISON - New research conducted by environmental groups argues that manure digesters, seen as a solution to pollution from large-scale livestock farms, do more harm than good because of other ways ...

Implementing novel management practices in dairy farming, one of the commonwealth's major agricultural industries, could help alleviate a large source of both nutrient pollution and greenhouse gas ...

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 ...

ST. PAUL -- The House and Senate have provided $660,000 to provide loans to finance manure digester systems. Manure digesters take farm animal waste, trap the methane gas from the manure and convert ...