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Olduvai III: Catacylsm
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7.5 billion and counting: How many humans can the Earth support?

7.5 billion and counting: How many humans can the Earth support? Humans are the most populous large mammal on Earth today, and probably in all of geological history. This World Population Day, humans number in the vicinity of 7.5 to 7.6 billion individuals. Can the Earth support this many people indefinitely? What will happen if we […]

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Olduvai IV: Courage
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Olduvai II: Exodus
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