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Stardust Solutions Secures $60M for Solar-Dimming Tech

10/28/2025

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Summary

Story summary

Stardust Solutions, a geoengineering startup, raised $60 million to develop solar-dimming technology using aerosol particles.
The funding round is the largest in the sector, supported by notable Silicon Valley investors.
Stardust Solutions CEO Yanai Yedvab said the aerosol-particle approach may help but will not eliminate extreme weather events.
Alameda, California city officials previously halted similar experiments due to public concern.
Controlled outdoor tests are planned for April.

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Story summary

Stardust Solutions, a geoengineering startup, raised $60 million to develop solar-dimming technology using aerosol particles.
The funding round is the largest in the sector, supported by notable Silicon Valley investors.
Stardust Solutions CEO Yanai Yedvab said the aerosol-particle approach may help but will not eliminate extreme weather events.
Alameda, California city officials previously halted similar experiments due to public concern.
Controlled outdoor tests are planned for April.