Adam Craig. Photo: Mike Hone via Flickr

Photo: Mike Hone

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Adam Craig, U.S., Cycling

Clearly, Adam Craig enjoys the outdoors on his mountain bike, but he also digs skiing and kayaking, and he wants to do his part to protect the natural world. To that end, he’s signed on to the GreenLaces campaign, which asks athletes to make a personalized promise to reduce their environmental impact.