From StarTalk.

Aerosols, while harmful to human health at ground level, can also reflect sunlight and cool the planet—raising the controversial question: can we deliberately inject them into the stratosphere to fight climate change? This interview explores the science and ethical implications of that possibility.

From ‘Changing the World (Literally), with Daniele Visione & Holly Buck’: https://youtu.be/omfIeZrc4YA?si=JE5Zts-sKSA9P5H4

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