New Scientist: Climate scientists expect attempts to dim the sun by 2100

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Renaud de RICHTER

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Oct 25, 2025, 1:00:56 PM10/25/25

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Only by 2100?

Exclusive: Climate scientists expect attempts to dim the sun by 2100

https://www.newscientist.com/article/2498137-exclusive-climate-scientists-expect-attempts-to-dim-the-sun-by-2100/

An exclusive New Scientist survey of leading scientists reveals widespread concern that schemes to tweak Earth’s atmosphere could launch within decades in a risky bid to cool the planet

By James Dinneen and Madeleine Cuff

21 October 2025

Humanity will attempt large-scale efforts to block radiation from the sun before the end of the century, according to leading climate scientists surveyed by New Scientist, in a last-ditch bid to shield Earth’s inhabitants from the worsening impacts of climate change.

“The concept of solar geoengineering worries me greatly, but I can see it is becoming more attractive as the world fails to address the problem of reducing greenhouse gas emissions,” says survey respondent James Renwick at the Victoria University of Wellington in New Zealand.