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Commentary: How to reach a sustainable human population

This scripture was written around the sixth century BCE, when an estimated 150 million people inhabited Earth. The current global population is approaching 7.7 billion. It is imperative that we reconsider the human population burden and our role as stewards of the Earth.

Homo sapiens originated approximately 200,000 years ago, but it was not until 1800 CE that the population reached one billion. By contrast, in the last 200 years the human masses have exploded eight-fold. If the entire history of our planet was scaled to one 24-hour day, humans arrived only in the last 30 seconds, taking 29.