The era of the geoengineering startup has seemingly arrived. Stardust Solutions, a company led by a team of Israeli physicists, announced on Friday that it has raised $60 million in venture capital to develop technological building blocks that it says will make solar geoengineering possible by the beginning of next decade. It is betting that it can be the first to develop solar geoengineering technology, a hypothetical approach that uses aerosols to reflect sunlight away from Earth’s surfac...
