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Rob Greenfield (born August 28, 1986) is an American adventurer, environmental activist, and entrepreneur. He is best known for Off the Grid Across America, a bicycle tour across the USA on a bamboo bicycle to inspire Americans to live a more sustainable lifestyle. Greenfield is also an inspirational writer and speaker, world traveler, ambassador to One Percent for the Planet, ... Read More The post 66. How to make the world a happier and healthier place with environmental activist Rob Greenfield appeared first on Must Amplify.