Is it time to try geoengineering to solve the climate crisis?
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Is it time to try geoengineering to solve the climate crisis?

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By Adam Vaughan

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The launch of a stratospheric balloon at Esrange Space Center in Sweden

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The United Nations last month laid bare how badly the world is doing on its climate targets. Today the US National Academy of Sciences (NAS) says such slow progress means the US should launch a $100-$200 million research programme on solar geoengineering, a controversial set of techniques to reflect sunlight back to space in order to cool the Earth.

However, the group stressed in a report that it isn’t calling for deployment of such solar geoengineering technologies and warns that doing more research is no excuse …

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