St Baker - Tritium connection?, page-9

Hardly a perfect world solution however it is a huge step in the right direction - similarities with rare earths mining/processing which are hardly environmentally wonderful but the end result is.

So where does one draw the line - reo's and numerous other minerals used in military - well military testing and use is not exactly green.
It will never be perfect but it will be a huge improvement that will continue to be improved. Syrah are implementing solar farm - Twiggy at FMG - this is just beginnings and most will end up running green tech mining and processing tech - give it time we are in infancy overall.