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.

From grass-fed to grain-finished, organic, pasture-finished and natural, there are many ways to raise and buy beef in niche ...