E.g. the nuclear waste problem: With the right shielding you'll get to radioactive waste that is much easier to handle and usually decaying enough in a 60 year

E.g. the nuclear waste problem: With the right shielding you'll get to radioactive waste that is much easier to handle and usually decaying enough in a 60 year time span. As opposed to the millennia from fission products. So yeah it is a problem, but manageable. Or the parasitic power consumption problem. Yes, fusion reactors require a lot of energy to power that magnetic field, the cooling for the magnets, but the whole point of fusion research is to get an order of magnitude out of the energy put in, i.e. a G-factor which is > 1. Right now we don't have a fusion reactor that manages G >1, but Iter has the potential to operate around G = 5, and before long some smart kid will figure out a design that gives you G > 10. The tritium breeding problem. There are indeed some smart solutions like a FLiBe salt blanket fill. Which also is great at absorbing the neutron "waste". The nuclear proliferation problem. This is more of a theoretical problem, as there are way easier pathways to a bomb. E.g. the thorium fuel cycle to breed a U-233 based bomb is doable even with tech from the 1960'ies.