Someone cast Wolven Winter on New Orleans!

[atul]

Helium-3's use as a fusion fuel faces several difficulties. First of all, the reaction coefficients of He3-He3 -fusion require a lot higher temperature than for example Deuterium-Tritium fusion that's currently attempted in international fusion projects. Secondly, how are you planning on removing heat from plasma? With neutrons, 4/5 of the fusion energy is deposited at the walls by neutrons, but aneutronic fusion has nothing that's neutral in electric charge. And charged particles, like the proton advertised in wikipedia article, are trapped inside the plasma.

I'd get D-T fusion to work first. The activation by neutrons is a minor hurdle compared to the problems you have when none appear.