How to read carrying capacity graphs
History of human population over the last 100,000 years
History of human population over the last 6,000 years
The black death – bubonic plague – spread by a bacteria living in fleas, that lived on rats, that followed trade routes.
Our history books focus on deaths in Europe.
Graph showing the effect of the black plague on European population.
However, the plague originated in the ancient far east, China:
Graph showing the effect of the Irish Potato famine on European population
What would happen if we exceed the Earth’s carrying capacity?