Yet even the most efficient grass-fed beef operations had 10% to 25% higher emissions per kilogram of protein than factory farms, per the Post. This isn't to say there aren't other drawbacks to ...

For cattle fattened in fields instead of feedlots, the grass may be greener, but the carbon emissions are not. A study out Monday in the Proceedings of the National Academy of Sciences finds that ...

For years, ranchers and some conservationists have argued that grass-fed beef is better for the planet than conventional cattle. But a study published Monday in the Proceedings of the National ...

Eat Grass-Fed Beef, Help the Planet? Research Says Not So Simple For cattle fattened in fields instead of feedlots, the grass may be greener, but the carbon emissions are not. A study out Monday ...

A study out Monday in the Proceedings of the National Academy of Sciences finds that even in the most optimistic scenarios, grass-fed beef produces no less planet-warming carbon emissions than ...

The finding calls into question the frequent promotion of grass-fed beef as a more environmentally friendly option. Still, other scientists say grass-fed beef wins out on other factors like animal ...