Forgoing football games and frats, Warren Wilson's Fighting Owls work 15 hours per week plowing the college's organic fields or helping with ecofriendly building projects.

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Offsets: Purchased renewable energy credits that offset 100 percent of campus electricity use.

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Investments: No transparency or reported sustainable-investing policies.

If you go Stop by the Cow Pie Cafe, a student-run vegetarian eatery that serves mostly foods grown on campus.

Score: 88.5