Because of broadly manmade causes, including but not limited to the emission of carbon and also non manmade causes. Yes. Is that an existential risk for humanity? No, it is not. Does that mean that we should abandon or even abate the use of carbon or carbon dioxide emissions? No, it does not in my book. I think the right question we should be asking is what advances human prosperity? That’s what I care about. That’s what I will care about measuring as the leader of this country rather than obsessing over a cult of carbon.