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Of fake trees and moondust sunscreen

From a man-made sun-shield to deflect the Sun's rays to giant artificial trees to sequester carbon, radical and potentially risky solutions to stave off climate change are gaining traction

(Photo: Unsplash)
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(Photo: Unsplash)

Kumar Abishek
It sounds like the stuff of science fiction: Mining the Moon, not for rare-earth metals or future energy source Helium-3, but for its dust. However, this could be the future.    

In a paper recently published in PLOS Climate, American researchers used computer modelling to propose an unorthodox idea to cool the Earth — creating large clouds of lunar dust in space to reflect sunlight. Benjamin Bromley, Sameer Khan, and Scott Kenyon have found that the fine lunar dust particles are of the right size to scatter sunlight and shield our planet.

The man-made sun-shield for our warming planet, as
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First Published: Feb 17 2023 | 10:21 PM IST

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