As far as the waste goes, China is building molten salt reactors that can use the waste to run. The waste that those reactors produce has much shorter half lives, like days, and can be stored almost anywhere.

That being said, agreed that we would be better off investing in renewables, and getting the planet down to two or three reactors total. We can't go completely renewable, as we need the isotopes we create in nuclear reactors for medical reasons.