we had a lot of things that we were discussing and it would have been easy if they were in the room. now they're just in limbo. but i have to say with all of that, very little limbo. people have speak to them about some things and frankly they're not very complicated. josh, go ahead. >> reporter: mr. president, there was a significant talk at the summit about climate change. i know in the past you've harbored some skepticism of the science on climate change. what do you think the world should be doing about climate change and do you still harbor that skepticism? >> i feel that the united states has tremendous wealth. the wealth is under its feet. i've made that wealth come alive. we will soon be one of the -- we will soon be exporting -- in fact, we're actually doing it now. but we are now the number one energy producer in the world and soon it will be by far with a