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
From a cynical standpoint, China is only doing it to become less dependent on fossil fuel, should a major war occurs and trade in South China Sea becomes disrupted.
But still, if this motivation adds to the overall development of renewable energy, it’s still a win.