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 ...

KERN COUNTY, Calif. — Historically one of the most polluting industries in California, dairy farms are stepping up to ambitious methane reduction targets. And the unlikely means to meeting the ...

Hundreds of maize farmers in Trans Nzoia County, Kenya’s food basket, are turning to dry cow dung manure instead of the expensive option — commercial fertilisers — to cut costs. Until recently, most ...

Washington's besieged dairies are testing several promising systems for recycling cow manure, turning it into fertilizer and clean water. To do that, engineers are using processes that range from ...

Cow power — manure — seen as part of climate change strategy Capturing methane from manure can reduce pollution and save energy, but technology can be tricky and too expensive to make money.