MORE 'Environment'
MORE 'TED Talk'
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Boyan Slat inspires us all to make a difference
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Nilay Kulkarni explains how he solved the problem of Human stampedes
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Meet Ron Finley, the 'Guerilla Gardener'
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Why we need to end the era of orphanages
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TED TALK Review: David Katz Offers A Surprising Solution To The Problem Of Plastic In The Oceans
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Martin Villeneuve Makes the Impossible Happen