more opportunities than it takes away. it is something that is in our economic interest, in the interest of our health, it is what we leave to our children. i just don't know where those numbers come from, they make them up i think, and there's just no evidence whatsoever that it hurt our environment, hurt our economy. in fact, in america the american industry in total has benefitted greatly from all of the things we're doing. and you see even big companies like exxonmobile running full page ads in newspapers urging the president to have america work with other countries and comply with cop 21 agreement. if the world's biggest oil company thinks this is a good idea, i find it hard to understand the secretary does not. >> i must say, it is all very, very difficult to compute, especially when the following