【Futurist】Stephen Petranek :未来威胁人类世界的八个关键问题


【Futurist】Stephen Petranek :未来威胁人类世界的八个关键问题
發佈日期:2014年3月11日
Unintentional "Dark Futurist ", Stephen Petranek, re-visits the subject matter of his original eleven year old TED Talk and offers the audience an extraordinarily sobering look at the eight critical issues that threaten human life on Earth.
8.pandemic
7.the sun brightens
6.we develop a newlife form
5.Robot take over
4.A lot of volcanoes go off
3.Runaway greenhouse
2.Nuclear war breaks out
1.We cross paths a really big asteroid

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