Is there anyone who's anywhere near close on the idea of using aerosols to cool things down until we get our shit together, or has that ship also sailed?

@bmp idea’s still around but you sorta need a large bloc to agree to it because the stratosphere is such a big place and localized changes can have unintended global consequences. needs more research and coordination. there was a tech review piece recently about a guy who tried a dinky experiment and he got shut down pretty hard later on because he didn’t actually get any govt buy-in https://www.technologyreview.com/2022/12/24/1066041/a-startup-says-its-begun-releasing-particles-into-the-atmosphere-in-an-effort-to-tweak-the-climate/