Nuclear is also much more expensive than solar, takes a long time to construct (so it's another "big infrastructure" project), and it's heavily regulated. Most

Nuclear is also much more expensive than solar, takes a long time to construct (so it's another "big infrastructure" project), and it's heavily regulated. Most countries demonstrably do not want to deal with it. Not to mention, nuclear isn't actually "sustainable" either, it just doesn't cause global warming.