A new study out Monday finds that even in the most optimistic scenarios, grass-fed beef is no less carbon-intensive than ...

eating grasses. At this point, they're all essentially grass-fed. Conventional grain-finished cattle are then moved from the pasture to feedlots for the last few months before slaughter ...

Cows eat grass which is very difficult to digest ... any undigested food and nutrients are treated as waste, which goes all the way throughthe cow and comes out as poo. What may be waste to ...

Not all animals eat the same foods though ... As they eat a diet of grass and clover, cows are classed as herbivores. The name for animals that eat meat and plants. Rats eat plants, seeds ...

then simulated many herds of industrial and grass-fed cattle. It compared differences in how much food they would eat, how much methane and carbon dioxide they would emit and how much meat they ...