From pollution to pandemics, many of the world's problems are traced back to all of the people who occupy the Earth. We're getting close to eight Billion now, but demographers say the curve does not continue upward forever.
Many say population will hit a plateau in a few decades and begin coming down from there. The why and the effects are examined in the book Empty Planet: The Shock of Global Population Decline.
Journalists Darrell Bricker and John Ibbotson teamed up on the book, and John Ibbotson joined us in 2019 to cover the scope of the issue.