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All humans and animals 'will die out on Earth in a billion years' due to 'mass suffocation' as oxygen levels collapse | The Sun
It's entirely possible humanity will never develop the ability to leave Earth and spread out to live among the stars. If so, how do you imagine the very last human will die? -
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Empty half the Earth of its humans. It's the only way to save the planet | Kim Stanley Robinson | The Guardian
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Human Civilization Will Crumble by 2050 If We Don't Stop Climate Change Now, New Paper Claims | Live Science
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