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http://www.nationalgeographic.fr/espa...en-de-sauver-lhumanite-aller-sur-mars
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http://www.bastamag.net/La-fortune-de...menter-la-moitie-du-monde-en-energies
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http://www.novethic.fr/actualite/envi...-manqueront-d-eau-en-2050-145591.html
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http://www.pbs.org/wgbh/nova/next/earth/going-vegan-isnt-actually-th
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https://www.youtube.com/watch?v=i4JoAG9vDP8
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http://www.bfmtv.com/societe/l-alimen...tastrophe-pour-l-humanite-915810.html
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