Environment
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Pieter Hoff's Groasis waterboxx
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Shorts: Pieter Hoff explains his Groasis waterboxx
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Shorts: Daniel Kish's echolocation in action
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PopTech Iceland: Toward Resilience
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Erika Block's Local Orbit
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David de Rothschild and the Plastiki expedition
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Michael Blum: Failure and Resiliency
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Carlo Ratti: Oil-absorbing Robots
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Ryan Smith: Sewage Into Plastic
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Alan Rabinowitz: Saving Big Cats
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Brooke Betts Farrell: Waste as Treasure
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Chris Jordan: Polluting Plastics
