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You have to keep in mind that we barely hit the 1 billion population in the 19th century. In the 18th/19th century, we found several ways to sustain a bigger population by relying on coal and oil production.Today, we have a population of at least 6 billion.
You have to keep in mind that we barely hit the 1 billion population in the 19th century. In the 18th/19th century, we found several ways to sustain a bigger population by relying on coal and oil production.
Today, we have a population of at least 6 billion.
