I think that renewable energy has a much larger chance of effecting change: It requires a much lower up front investment and has almost immediate benefits. A couple of solar cells and batteries can be financed by every middle class person. And additionally the construction doesn't take 10+ years, a small renewable installation delivers power basically immediately. In contrast nuclear power plants take years just for planning and have mind boggling up front costs.
A steady buildup of renewables is much more likely to be sustainable politically than a crash program of building nuclear that costs a fortune today and only shows its benefits in more than a decade.