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On World Population Day: How Climate Change Could Make Us Go Extinct

The world is both hotter and more overcrowded than ever before. Naturally, these things are intertwined.

World Population Day was established in 1989 by the United Nations Council in order to draw attention to population issues. Back then, the world's population stood at 5.198 billion. Thirty years later, there are 7.7 billion people in the world, with an estimated 360,000 more being born each day.

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