A technology company called Stardust Solutions has proposed using microscopic particles to reflect sunlight away from Earth as a method to address climate change. The company claims its tiny spheres can be deployed in the atmosphere to reduce incoming solar radiation without causing harm to people or the environment.

The concept falls under a category of climate intervention known as solar radiation management, which aims to reduce the amount of sunlight that reaches Earth's surface. Stardust Solutions argues that their particle-based approach could provide a technological solution to global warming while potentially offering economic benefits to consumers.

However, the proposal has drawn criticism from experts who question whether private companies should be permitted to modify Earth's atmosphere. Critics raise concerns about the potential unintended consequences of atmospheric intervention and argue that such large-scale environmental modifications should not be undertaken by commercial entities without extensive oversight.

The debate reflects broader tensions in climate policy between technological solutions and concerns about governance and safety. Solar radiation management remains a controversial topic in climate science, with researchers divided on both its effectiveness and the ethical implications of deliberately altering atmospheric conditions.

The company has not yet disclosed specific details about how the particles would be deployed or what regulatory approvals would be required for such atmospheric interventions.