In 1804, the world’s population stood at one billion. Just over 200 years later, that number had multiplied sevenfold. One billion: a number that, at the turn of the 19th century, had taken all of human history to accrue, is now tipping over in a matter of 12 years. From six billion in 1999, we have quickly reached the seven billion mark in 2011. Humans, we have a problem.
April 16, 2019