Glenn Elzinga has had zero wolf attacks on his cattle in a decade. He says his success lies in living with wolves "in a highly functioning ecosystem.” ...

Methane is a powerful greenhouse gas, and cows are a major source of it. A group of scientists is developing a proof of ...

When cows graze, microbes in their stomach break down their food and make methane. Cows then belch and fart that methane into the Earth’s atmosphere, through a process called enteric fermentation. The ...