Sun screen using balloons: https://en.m.wikipedia.org/wiki/Solar_geoengineering https://en.m.wikipedia.org/wiki/Solar_geoengineering Altering albedo alone sti

Sun screen using balloons: https://en.m.wikipedia.org/wiki/Solar_geoengineering https://en.m.wikipedia.org/wiki/Solar_geoengineering Altering albedo alone still leaves us with ocean acidification problem, but I'm not up-to-date with the risks of that (other than coral reef dying out, which is absolutely tragic).