Scott Pruitt: “we have much work to do because there's 40 percent of the country still living in nonattainment with respect to ozone.”

I think that measuring with precision human activity on the climate is something very challenging to do and there is tremendous disagreement about the degree of impact.

We are stripping burdensome costs from the American economy at an unprecedented pace.

I have grown weary of this Congress and the Trump administration simply following industry orders.

We have made wonderful progress there. We in fact have reduced our CO2 as a country by over 14 percent from the years 2000 and 2014.