The Fragile Thread of Humanity

We are living through a period that is unique in human history. For the first time in more than ten thousand years, the rate of human population growth is slowing down. In the middle of this century population growth will stop, and the number of people on Earth will start to decline - fast.

As Gee demonstrates, our population has peaked, and is declining; our environment is becoming inimical to human life in many locations; our core resources of water, arable land, and air are diminishing; and new diseases, simmering conflicts, and ambiguous technologies threaten our collective health. Can we still change our course? Or is our own extinction inevitable?

There could be a way out, but the launch window is narrow.

Unless Homo sapiens establishes successful colonies in space within the next two centuries, our species is likely to stay earthbound and will have vanished entirely within another ten thousand years, bringing the seven-million-year story of the human lineage to an end.

To look at our escape options, we are joined by Henry Gee, author of “The Decline and Fall of the Human Empire.” He envisions new opportunities for the future of humanity—a future that will reward facing challenges with ingenuity, foresight, and cooperation.

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