There may be good reasons not to pursue nuclear (high complexity and upfront cost), but by the overall numbers I don't think pollution or death rate make that case
That's so much not the case now that renewables + batteries were by far the largest source of new generation in the US (yes, the US, with Trump actively trying to destroy them) last year.
Look up some of the new information coming out about them recently. Here, I'll give you a relevant video I watched recently to start with: https://www.youtube.com/watch?v=KtQ9nt2ZeGM (channel is Technology Connections)