You can't claim to be an environmentalist and be anti-nuclear energy at the same time

Better than coal.

Nuclear waste is a solved problem, and it has been solved for a long time.

https://www.forbes.com/sites/michaelshellenberger/2018/06/19/stop-letting-your-ridiculous-fears-of-nuclear-waste-kill-the-planet/

It can also be reprocessed to further reduce the waste amounts:

https://en.m.wikipedia.org/wiki/Nuclear_reprocessing