Our world is seriously overpopulated. The past 200 years have seen exponential human population growth. Reaching one billion people in 1804, it took 123 years to get the next billion. In less than half that time, we went from three billion in 1959 to seven billion in 2012. Anyone who lives in a city knows how dense the world has become and how pervasive overpopulation has become. See just how crowded we are in this list of 25 Ridiculously Crowded Photos of Earth’s Overpopulation.
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