ENN: Diet For Small Planet May be Most Efficient if it Includes Dairy and a Little Meat, Cornell Researchers Report

A low-fat vegetarian diet is very efficient in terms of how much land is needed to support it. But adding some dairy products and a limited amount of meat may actually increase this efficiency, Cornell researchers suggest.

This deduction stems from the findings of their new study, which concludes that if everyone in New York state followed a low-fat vegetarian diet, the state could directly support almost 50 percent more people, or about 32 percent of its population, agriculturally. With today’s high-meat, high-dairy diet, the state is able to support directly only 22 percent of its population, say the researchers.

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