当然,不同之处在于,航空带来的风险是相对恒定且已知的。可能每一年都会有人死于航空事故,但绝对不会有哪一年,全球10%的人口死于一次空难。然而,一旦遭遇超级火山爆发、小行星撞击或核战争,这种情况就有可能发生。
We can reduce these existential risks. NASA has budgeted $150 million a year on planetary defense and could invest in space-based telescopes that might catch the asteroids we're missing now. It would cost about $370 million a year to bring the rest of the world up to the same level of volcanic monitoring that the United States has, which would lessen the chance of being surprised by a supereruption and thus reduce the potential death toll. Human-made existential risks like nuclear war or even artificial intelligence are, of course, well within our ability to prevent. Our species faces greater existential peril than we ever have before, but unlike through most of our existence, we now have the ability to protect ourselves.
我们可以减少这些生存风险。美国国家航空航天局(NASA)每年在行星防御方面的预算为1.5亿美元,并可能投资太空望远镜,捕捉我们现在忽略的小行星。将世界其他地区的火山监测提升到与美国相同的水平,每年需要大约3.7亿美元,这将减少超级火山爆发带来的意外,从而降低潜在死亡人数。当然,预防核战争、甚至人工智能等人为的生存风险,这完全在我们的能力范围之内。我们这个物种面临着比以往任何时候都更大的生存危险,但与人类存在的大多数时期不同,我们现在已经有能力保护自己。
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