For the environmentally minded carnivore, meat poses a culinary conundrum. Producing it requires a great deal of land and water resources, and ruminants such as cows and sheep are responsible for half of all greenhouse gas emissions associated with agriculture, according to the World Resources Institute.
That’s why many researchers are now calling for the world to cut back on its meat consumption. But some advocates say there is a way to eat meat that’s better for the planet and better for the animals: grass-fed beef.
But is grass-fed beef really greener than feedlot-finished beef? Let’s parse the science.
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