The Trump administration was not invited to the gathering in Santa Marta, Colombia. A White House spokeswoman called the green transition “destructive.”
Agreement to conduct the necessary phase out is probably not possible if a country run for the benefit of the oil industry is involved in any meaningful way
Even if they didn’t obstruct, their lack of buy-in into any decided measures is a foregone conclusion. They even refuse to acknowledge the problem.
They would 100% sabotage and try to derail the event. Ignoring them is the only logical solution.