Steven Kotler

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Leonardo DiCaprio

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About eight years ago, DiCaprio became interested in environmental issues but wasn't exactly sure what element he wanted to take on. After a White House meeting with Al Gore, he chose to focus on…

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Alan & Cindy Horn

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The first experience with the green life for the Horns came when they were expecting their first child and became seriously concerned about the world their son was soon to occupy. That was 18 years…

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