When will humankind become extinct? This question has preoccupied societies for millennia. Yet according to veteran journalist Bryan Walsh, life on Earth has never been as close to the precipice as it is today because many of the existential threats to humankind are self-imposed. But as Walsh explains, these threats also provide cause for optimism – provided scientists find ways to turn technology into a force for good. Until then, the doomsday clock ticks ever closer to midnight.
About the Speaker
Bryan Walsh, a former science journalist for Time magazine, is the author of End Times: A Brief Guide to the End of the World.
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