Adapt to it as best we can. Minimize your use of fossil fuels, particularly Natural Gas(Methane). Get some books on farming to understand a worst case need to live off grid.
We’re past the point that we can go back. The glaciers on Antarctica and Greenland are in a self-sustaning melt cycle at this point.
I’m sure there are zero side effects from loading up clouds with salt crystals.
Like, salt water rain, for example. Given that what we put up into clouds comes back eventually, usually as rain.