Methane is a short-lived but powerful greenhouse gas; cutting methane emissions can slow near-term warming and improve air quality by reducing harmful ground-level ozone. As ruminants digest feed, they release methane—through burps. In fact, emissions from cattle are the largest source of human-ca used methane emissions (roughly 25% of the total)—so reducing emissions from cattle is an important part of tackling climate change. ...read more read less