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Ends of our own making Considering apocalyptic risks could give us fresh perspective CALL them the modern horsemen Events that would entirely of the apocalypse: nuclear war, eradicate humanity are hard to climate change, doomsday viruses envisage (New Scientist, 3 March, and out-of-control machines. p 36), but the 20th century saw the These are the subjects of the advent of technology that could proposed Centre for the Study seriously threaten human life as of Existential Risk (CSER), which we know it – nuclear weaponry – this week attracted much media and the 21st might well see the attention. “We’re talking about emergence of more. So the end of threats to our very existence the world is now more conceivable stemming from human activity,” says Martin Rees, a cosmologist at “The end of the world is more conceivable than the University of Cambridge who ever, but that doesn’t wants to found the centre with philosopher Huw Price and Skype mean it is imminent” inventor Jaan Tallinn. These new horsemen map than ever – although there’s no quite readily onto the portrayals of particular reason to expect it war, famine, pestilence and death. imminently (garbled Mayan Perhaps that’s because they’re prophecies notwithstanding). only the latest manifestation And Rees is right to say that we of age-old anxieties about the don’t pay enough attention to the fate of the human race. So is the huge, rare risks that might bring CSER just the respectable face of it about. Setting them out and doom-mongering? sizing them up is worthwhile.
But do we need a centre to bring together specialists in such disparate fields? It’s not clear what is to be gained by lumping together, say, nuclear war – whose risks are relatively well understood and contained – and rapacious AI, whose key mitigant may be software design rather than weapons inspections. Why not include genuinely existential natural risks, such as Earthcrossing asteroids? And then there’s the potential for robust climate change analysis to become associated with as yet speculative “Terminator studies”. We won’t know unless we try it. And the effort might bring fresh perspective to a world full of people who still fret that the LHC will spawn a world-destroying black hole – while they stubbornly ignore the clear and present dangers of climate change. ■
Paying for a green future TIMES are tough. When the UK government announced its new energy plans last week, newspaper headlines raged about how much household bills would rise to pay for cleaner power generation. They gave voice to a growing segment of the British public – wearied by the country’s prolonged economic doldrums – that seems disinclined to pay for a greener future.
Ordinary Brits might understandably feel hard done by. Power companies have prospered mightily in recent decades, but the costs of green power will be visited on their customers, not their profits. Other Europeans, too, face a steep bill for climate change relief, but dire financial straits are hampering their efforts (see page 8).
But while money is tight, so is time. The climate talks which kicked off in Doha, Qatar, this week, are unlikely to yield much progress towards a global deal to cut emissions. That will increase the need for meaningful national climate change strategies. While we shouldn’t let governments and energy companies off the hook, they need public support and pressure to act. It’s time we all thought hard about the price we’re willing to pay for the future. n
Been there, done that...
famous 1923 justification for climbing Mount Everest: “Because it’s there”. Now it seems that NASA might return to the moon after all. Following weeks of speculation, a scientist at the European Space Agency, which is partnering with NASA, has told New Scientist that ESA anticipates two new lunar
missions (see page 14). The second of these would see humans orbit the moon, but not attempt to land on its surface. That, it seems, will be left to private firms. Why would they bother? Perhaps to extract resources. Perhaps for the publicity. And perhaps because it’s still there. n
“WE’VE been there before.” It was with those words that President Barack Obama, speaking in 2010, ruled out a return to the moon. Whether deliberately or not, his words echoed George Mallory’s
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