They'll be green because they won't produce enough energy (probably zero) to be useful.
http://www.independent.co.uk/news/science/one-giant-leap-for-mankind-13bn-iter-project-makes-breakthrough-in-quest-for-nuclear-fusion-a-solution-to-climate-change-and-an-age-of-clean-unlimited-energy-8590480.html ~ what the competition is up to ~ 2030 before the firsts puff of steam from the turbines ~ they’re just now pouring concrete and NO ONE can guarantee this turkey works, or will even produce any power at all! So Moonman 62, can you justify this massive waste of money? Bet the Spanish concrete manufacturers are getting more than their fair share of the graft!