Name: 史蒂芬·潘特奈克的世界末日倒计时
Uploaded: 2007-09-25T03:07:00Z
Duration: 29 min 28 s
Description: 世界将如何毁灭？史蒂芬·潘特奈克为我们呈现保卫人类征程中面临的各类危机。我们将灭亡于小行星撞击？生态系统的崩溃？还是一台出错的粒子撞击机？

Stephen Petranek: 史蒂芬·潘特奈克的世界末日倒计时

史蒂芬·潘特奈克的世界末日倒计时

世界将如何毁灭？史蒂芬·潘特奈克为我们呈现保卫人类征程中面临的各类危机。我们将灭亡于小行星撞击？生态系统的崩溃？还是一台出错的粒子撞击机？

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.

Ignoring Existential Risks Is Humanity’s Biggest Mistake

*How We'll Live on Mars*

Watch: 8 more ways the world could suddenly end (in 2013)

Infographic: How we'll live on Mars

Why The Martian’s Andy Weir loves Mars -- but doesn’t want to go there

climate change

global issues

science

technology

future

space

humanity

solar system

asteroid

TED Stage Talk