Leonardo DiCaprio

The private jet argument can be used to attack any celeb, but at least Leo seems to truly be trying to make up for it in his everyday life. Not only is he one of countless celebs who drives a Prius, but he's also narrated a bunch of environmental films, started his very educational eco-activist website, and had the premiere of his movie Blood Diamond double as a benefit for the National Resources Defense Council. Leo was one of the first to hop on the green bandwagon in Hollywood and now has a big name to live up to. So far, he's doing an awesome job!

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