Name: 10 ways the world could end
Uploaded: 2007-09-25T03:07:00Z
Duration: 29 min 28 s
Description: How might the human race end? Stephen Petranek lays out 10 terrible options and the science behind them. Will we be wiped out by an asteroid? Eco-collapse? How about a particle collider gone wild?

How might the human race end? Stephen Petranek lays out 10 terrible options and the science behind them. Will we be wiped out by an asteroid? Eco-collapse? How about a particle collider gone wild?

10 ways the world could end

Civilization faces a surprising array of threats, from asteroid impacts to ecosystem collapse and even rogue black holes. In the last century alone, a 200-foot comet flattened 100 miles of Siberian forest, and one in five people on the planet now suffers from clinical depression. While science can spot danger ahead, denial and lack of preparation leave humanity vulnerable. Proactive investment and bold solutions could turn potential disasters into solvable challenges.

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climate change

future

global issues

humanity

space

technology

solar system

science

asteroid

TED Stage Talk

Stephen Petranek: 10 ways the world could end