SMRTR Science & EngineeringMar 22, 2025Wired

A Mysterious Startup Is Developing a New Form of Solar Geoengineering

SMRTR summary

Stardust, an Israeli-American startup, is developing proprietary technology to block sun rays and combat climate change through geoengineering. The company plans to test particles in the stratosphere using aircraft-mounted dispersal systems, raising concerns about transparency, oversight, and potential global impacts of privately-led climate alteration efforts.

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