... oh yeah... everything seems totally normal these days... nothing to see here. I'm not going to argue the most extreme predictions, but we've dumped a phenomenal amount of CO2, and it is causing problems.
Build nukes, build solar, figure out fusion... it's only hard because certain people benefit from it being hard. And given that, if there wasn't a "climate crisis", there would be some other crisis, because they want there to be at least a few. The problem is not the science, or the engineering.