18.Although farming releases more methane (via belching ruminants and upturned land), the energy sector is more concentrated and thus easier to corral.
19.However, the process by which grass and fiber is broken up in the stomachs of cows and other grazing ruminants has a byproduct, methane, a potent greenhouse gas.
20.Like goats, cows are ruminants, which means their stomachs have four chambers, allowing them to chew, digest and regurgitate their food multiple times.