Earth has a cow problem. Cow agriculture is one of the largest emitters of climate-warming methane to the atmosphere. But adding a type of red algae known for its methane-inhibiting properties to cow ...

A particularly impressive red alga has already shown great promise in dramatically reducing the alarming levels of methane gas produced by a cow's enteric digestive system. Now, a team of scientists ...

At barn No. 5 at the Larson Dairy farm just north of Lake Okeechobee, a line of cows pump out milk bound for grocery stores shelves and family refrigerators across Florida. Being cows, they are also ...

California weighs ending climate credits for cow poop The California Air Resources Board is planning to overhaul its fuel standard. Holstein cows at the Airoso Dairy near Pixley. The farm is one of ...

More than a decade ago, California helped spark a boom in biofuels — produced from plants or animal waste — with its first-of-its-kind Low Carbon Fuel Standard. The program forces carbon-intensive ...

It has already proven its worth as a fertilizer and building material, and even as a secret ingredient in Ancient Egyptian ceramics. As it turns out, cow dung—yes, that stinky excrement that also ...

Polly is a 10-year-old black-and-white Holstein cow, the oldest in a herd of about 300 on the Bar-Way Farm in Deerfield, Mass. Together they produce 2,000 gallons of milk each day. They also make ...

A Japanese startup is experimenting with alternative rocket fuel options. The startup, Interstellar Technologies Inc., says it was able to kickstart a space rocket engine designed to run off ...