As the mean global temperature continues to rise, the arctic ice caps continue to melt. What are scientist planning to do about it? Here's a hint: it involves 10 million sea water pumps.

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Scientists Have Announced a Plan to 'Refreeze' the Arctic - and It's Wild
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"Desperate times call for desperate measures, and with temperatures near the North Pole hitting an unheard-of 20°C (36°F) warmer than average last year, things in the Arctic are undeniably grim right now. But rather than sit by and watch as the sea ice disappears from the region at an unprecedented rate, scientists have hatched a crazy plan to 'refreeze' the Arctic, by installing some 10 million wind-powered pumps over the ice cap to spray sea water over the surface and replenish the sea ice."

Arctic ice management
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"As the Earth's climate has changed, Arctic sea ice extent has decreased drastically. It is likely that the late-summer Arctic will be ice-free as soon as the 2030s. This loss of sea ice represents one of the most severe positive feedbacks in the climate system, as sunlight that would otherwise be reflected by sea ice is absorbed by open ocean. It is unlikely that CO2 levels and mean temperatures can be decreased in time to prevent this loss, so restoring sea ice artificially is an imperative."

How a giant space umbrella could stop global warming
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"The race to find a solution to a rapidly warming world is one of the most pressing challenges facing our planet. One proposal to try to halt this warming is literally out-of-this-world: a giant, space-based sunshade. We're already modifying our climate by accident, so why not do it by deliberate geoengineering? It's a radical idea, and it just might just work. Reducing the amount of light reaching our planet could cool the Earth quickly, even with rising carbon dioxide levels."

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Special thanks to Jules Suzdaltsev for hosting and writing this episode of DNews!
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