A geoengineering startup, Stardust Solutions, has secured $60 million in funding to develop technology aimed at reducing global temperatures by dimming the Sun. This approach involves releasing aerosol particles into the Earth’s atmosphere to combat global warming, a concept that, while simple, remains controversial among scientists. The funding marks the largest-ever investment in this sector, with backing from notable Silicon Valley figures and an Italian industrial dynasty.
Stardust Solutions’ CEO, Yanai Yedvab, acknowledges that this method, known as solar radiation management, is only a partial solution and won’t eliminate extreme weather events. Unlike similar initiatives typically led by educational institutions and nonprofits, Stardust Solutions is a private entity, making this funding round particularly significant.
The company is working on developing a scalable and cost-effective particle, aiming for it to be as safe as common substances like flour. They plan to conduct controlled outdoor experiments, releasing particles from a modified plane at high altitudes.
Despite the ambitious plans, the approach has drawn skepticism. Critics raise concerns about governance and the unknown risks of geoengineering. Some argue that the potential benefits may not outweigh the risks. Previous geoengineering experiments have faced public criticism and were halted, highlighting the contentious nature of such initiatives.
While some experts remain unconvinced of Stardust Solutions’ approach, Yedvab emphasizes the importance of clear governance and guiding principles in deploying such technology.
