Perhaps some form of nuclear power can be part of a sustainable energy solution, but that doesn't mean expanding nuclear power is a good idea right now. Building, running, and maintaining a nuclear power plant is a formidable engineering challenge. So is dealing with its waste. The biggest fallacy is that just because we've been able to get by with temporary waste storage and haven't had a disaster so far we'd be able to deal with much more over much longer periods of time. Nobody who's serious about this or any other topic just assumes infinite scalability. Show proof or GTFO.
With newer plant designs and better waste handling we can come back to considering expansion of nuclear. AFAIK there are just too many problems still unsolved, so that would be premature. In the here and now solar and wind seem vastly preferable. Also, the remaining problems with wave/tidal power, while far from trivial, seem likely to be solved before the remaining problems with nuclear. If that happens, there's no reason to take any risk with nuclear.
With newer plant designs and better waste handling we can come back to considering expansion of nuclear. AFAIK there are just too many problems still unsolved, so that would be premature. In the here and now solar and wind seem vastly preferable. Also, the remaining problems with wave/tidal power, while far from trivial, seem likely to be solved before the remaining problems with nuclear. If that happens, there's no reason to take any risk with nuclear.