Comment Advanced Spaceflight (Score 1) 51
"And so we return again to the holy void. Some say this is simply our destiny, but I would have you remember always that the void EXISTS, just as surely as you or I. Is nothingness any less a miracle than substance?" – Sister Miriam Godwinson, "We must Dissent"
That's the tech that gets us solar shades, but launching them does require a Planetary Council vote. Looks like UK is on the wrong side of that vote. There will be other voters, though.
Furthermore, if a vote fails, you can try it again 10 or 20 years later (I don't remember which), and I can tell you that all sorts of horrible things can happen to a defiant faction over the course of 10 or 20 years. Terrible things.