The U.S. National Oceanic and Atmospheric Administration (NOAA) is looking into understanding reflective particles in the stratosphere, and their effects.
Could solar geoengineering cool the planet? U.S. gets serious about finding out | Science | AAAS
When did it happen that we live in a science fiction movie? I missed the note about this.
On topic: I find geoengineering extremely exciting, but we cannot predict the impact even with a lot of computing power.