Name: 马丁·里斯问道：这是我们最后的世纪吗？
Uploaded: 2007-01-17T00:11:00Z
Duration: 17 min 12 s
Description: 作为一个天文学家，同时作为人类社会中忧心忡忡的一员，马丁·里斯爵士从宇宙全景的视角考察我们的星球和其未来。他敦促要采取行动以避免科技发展过程中可能出现的毁灭性后果。

作为一个天文学家，同时作为人类社会中忧心忡忡的一员，马丁·里斯爵士从宇宙全景的视角考察我们的星球和其未来。他敦促要采取行动以避免科技发展过程中可能出现的毁灭性后果。

马丁·里斯问道：这是我们最后的世纪吗？

Human civilization is now transforming the planet and itself at a speed unprecedented in Earth's 4.5 billion-year history. In just fifty years, carbon dioxide levels and radio emissions have soared, marking a dramatic shift visible from across the galaxy. Advances in science and technology promise great benefits but open the door to catastrophic risks, some triggered by accident or a single fanatic. The choices made in this pivotal century will echo far beyond the Earth and into the remote future.

Humanity’s Greatest Risk May Come From Its Own Progress

*Our Final Hour*

astronomy

climate change

science

social change

technology

time

universe

TED Stage Talk

Martin Rees: 马丁·里斯问道：这是我们最后的世纪吗？