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Dimming the sun is a terrifying new industry
Researchers worry that a ‘rogue actor’ might just resort to solar geoengineering despite its poorly understood potential side effects.
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In a recent poll of climate researchers, two-thirds said they thought there’d be an attempt to deploy large-scale solar radiation modification by 2100.
PHOTO: NASA
Lara Williams
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Solar geoengineering, a bunch of techniques that aim to mask some effects of climate change by blocking sunlight, isn’t on the agenda for November’s COP30. It ought to be.
A record-breaking funding round for companies doing this stuff shows people are getting serious about trying to artificially cool the planet. That’s terrifying, especially when these businesses are largely unregulated.

