From what I hear The U.N. declared that today symbolically marks the moment when the world's population reaches the bar of 7 billion saouls. A little more than two hundred years ago, the global population was "only" 1 billion. How did it grow so big so fast?
With the help of a sound montage and video, it gets a bit easier to see how the Earth can produce that kind of a crowd. Thank you NPR, for this nice and easy illustration.
Source
With the help of a sound montage and video, it gets a bit easier to see how the Earth can produce that kind of a crowd. Thank you NPR, for this nice and easy illustration.
Source
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