The idea of cows grazing in a pasture seems idyllic. We asked experts how their emissions stack up compared to factory farms.

You'll often see restaurants (fast food burger chains included) boasting grass-fed beef. Food bloggers, too, try to convince people their beef recipes 'deserve' to be made with this pricier option.

The finding of a new paper in PNAS may ruffle the feathers of some consumers and those in the cattle industry who believe that grass-fed beef is less carbon intensive than industrial-farmed cows.

Grass-fed beef is everywhere now, from grocery store labels to fast food marketing. It sounds healthier, looks more ethical and definitely costs more. But is the hype worth it, and can you actually ...

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 even ...