Anderson Cooper challenged Joe Biden on his position on fracking, accusing the Democratic presidential nominee of trying to play to multiple sides of the fracking debate.

“You said you won’t ban fracking but that you wanted to gradually move away from it, ultimately. It sounds like, to some, you are trying to have it both ways,” the CNN anchor said during a town hall for Biden on Thursday. “Politically, it’s understandable why you might say that, but if fracking contributes to climate change and climate change is an existential threat, why should it, fracking, continue at all?”