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Summary
Could an African caterpillar be the new beefsteak? As the world diverts more of its grain harvests into producing meat, some scientists are pushing policymakers to take a closer look at insects as an environmentally friendlier source of protein. Whereas a cow needs to eat roughly 8 grams of food to gain a gram in weight, for instance, insects need less than two. The U.N. Food and Agriculture Organization is currently developing policy guidelines that will encourage countries to include insects in their food-security plans.
