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It took 200,000 years for our human population to reach 1 billion—and only 200 years to reach 7 billion. But growth has begun slowing, as women have fewer babies on average. When will our global population peak? And how can we minimize our impact on Earth’s resources, even as we approach 11 billion? This short video from the American Museum of Natural History beautifully charts humanity’s exponential expansion to our current population of 7.4 billion.

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