We live during the most important era of human history. In the twentieth century, we developed the means to destroy ourselves – without developing the moral framework to ensure we won't. This is the Precipice, and how we respond to it will be the most crucial decision of our time. In this week's podcast, Oxford moral philosopher Toby Ord explores the risks to humanity's future, from the familiar man-made threats of climate change and nuclear war, to the potentially greater, more unfamiliar threats from engineered pandemics and advanced artificial intelligence. Can we protect the legacy of the hundred billion who have come before us, and secure a future for the trillions that could follow? What can we do, in our present moment, to face the risks head on?

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