i think that is why you see the large companies pushing for that. >> michael oppenheimer, last quickstion to you. let's say that president trump decides to pull out. what is the impact? do you think that the other countries will continue with their pledges or do you think that they'll look and say hey, look, the u.s. isn't living up to this, why should we. >> i think what will happen is some of the countries that have just recently come around to making plans to reduce emissions will not pull out of the agreement but will peel off their commitments and it will reduce the likelihood that the world will move in a safe direction on climate change. but some countries will keep reducing their emissions becauser in's doing it for a variety of reasons, including protecting the air like china which has a bad air pollution problem, and because as i said before, they want to sell the new renewable energy technologies, the clean technologies everywhere including the united states where they are starting to push out coal. it's hard for me to believe that the. is would subject itself to a less fa