The next class of problems to solve for future generations is how to survive on a hot planet and how to recover from the damage done by reckless lunatic profiteering assholes.
Absolutely none of that mattered in the long run because capital markets think environmental destruction is a small price to pay as long as some people get rich.
What kids learn about personal cooling tech and what not won't matter when the supply of the raw materials required to make them is reserved for some VC-funded trillion-dollar 'startup' trying to synthesize an undetectable chemical weapon to get past the bureaucratic red tape of international treaties.
Some people will be delighted. Most are going to have a very hard time adjusting.
YC and adjacent isn't it.