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Model citizens: 7 green supermodels

Summer Rayne Oakes

Photo: Fayes Vision/WENN

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Summer Rayne Oakes

Oakes almost single-handedly popularized the idea of "values-based modeling." Only 25 years old, Oakes — a graduate of Cornell University with majors in natural resources and entomology — now spends her time jumping between modeling jobs (naturally), speaking gigs, authoring green books and co-designing a line of sustainable shoes for Payless.