Model Citizens: 7 Green Supermodels

Cindy Crawford on the red carpet

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When supermodel Cindy Crawford starts contributing to Vanity Fair's environmental blog, you know either hell has frozen over, or the eco-movement has reached its zenith of chic. The "green is hip (and profitable)" trend is sure to fade, but the movement of "modeling with a conscience," will continue to thrive. Meet seven pioneering, idealistic women who truly care about the planet and are using their celebrity and keen fashion sense to make a difference.

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Lauren Bush

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You know those ubiquitous canvas FEED tote bags that everyone has been carrying around recently? You can thank Lauren Bush for that. The fashion model (and niece of George W. Bush) teamed up with the U.N. World Food Program to raise awareness about world hunger and to bring style to a substantive issue. In 2008, Bush also launched a sustainable clothing line made entirely of organic fabrics and cotton alternatives like bamboo and hemp silk.

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Shalom Harlow

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Best-known for her years spent as host of the MTV show "House of Style," Harlow recently teamed up with fellow green model Elletra Wiedeman (along with Daria Werbowy and Selena Breed) to launch the first-ever green fashion show, FutureFashion, in partnership with the organization Earth Pledge. PETA claims Harlow as a celeb vegetarian, and Harlow says she swears by Seventh Generation cleaning products and offsets her travel through Lancome and's reforestation project.

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Angela Lindvall

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Lindvall currently co-stars with "Entourage"'s Adrian Grenier on Planet Green's sustainable lifestyle series, "Alter Eco," and recently tried her hand as a sustainable fashion designer, creating a limited-edition organic T-shirt for Edun Live. Long before that however, in 2000, Lindvall created a well-meaning (if scattered) environmental website and media portal called Collage, which broadcasts the "green is chic" message.

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Summer Rayne Oakes

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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.

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Elettra Wiedemann

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The daughter of fashion royalty, Isabella Rossellini and Jonathan Wiedemann, Elettra has the modeling business in her blood. But her interests go far beyond catwalks and casting calls. Dedicated to helping educate the world — and herself — about climate change, Wiedemann helped found the organization Just One Frickin Day. She also helped to plan the FutureFashion show in 2008. Perhaps Elettra's eco-drive also comes from her mother, whose quirky video series on insect and sea creature sex for the Sundance Channel — smartly called Green Porno — has garnered a cult following.