Build it anyway. It’s not his decision. If the States give a thumbs up to the pipeline, JUST DO IT!
More oil means more warming of homes in the winter. Is that what he means by warming the planet?
Yes! And if they say "STOP!" just say "NO!" What are they going to do? Take them to court? Arrest them? Send in marshal's? Send in the FBI? Send in the military? Fir drones at them?
It would be interesting to see. But it won't happen.