Are there future Alternate Histories?

Is it possible to write an Alternate History of the future?

___Let's assume the future depicted in "Termination Shock" by Neal Stephenson is what we're likely to get. I see no political will to limit the global temperature rise above 1.5 degrees.

___Suppose a private consortium obtained materials from Near Earth Asteroids and constructed Solar Power Satellites. I doubt we can count on governments to back this initiative. Nor can we count on oligarchs like Elon Munk whose working capital is about to vanish into Twitter's black hole.

___Wouldn't a viable project to mitigate global warming represent an Alternate History?
 
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