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http://www.science-et-vie.com/article...tres-humains-ont-vecu-avant-nous-7398
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http://www.bastamag.net/La-fortune-de...menter-la-moitie-du-monde-en-energies
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http://modernfarmer.com/2017/02/reall...ouble-food-production-feed-world-2050
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http://www.greenit.fr/article/energie...ampaign=Feed%3A+GreenIT+%28GreenIT%29
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http://www.pbs.org/wgbh/nova/next/earth/going-vegan-isnt-actually-th
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https://reporterre.net/L-humanite-pese-trente-mille-milliards-de-tonnes
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http://www.lemonde.fr/planete/article...essources-mondiales_1748396_3244.html
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