[Beltiras]

There are good solutions to the problems you pose. Most of the problems with fission energy generation is due to PWRs and using fuel pellets instead of liquid fuel. Current technology burns only 3% of the fuel in pellets before having to replace them. MSRs can burn 97% of their fuel. Solid fuel nuclear reactors have byproducts that are radioactive for millions of years. The byproducts of MSRs are radioactive for hundreds of years. MSRs can actually burn the dirty remains of the nuclear fuel tossed aside during the 20th century.