every other producer needs to go faster because those producers do have the skills -- companies like shelloave the skills to help bring about lower carbon energy transmission, and that is what they should be doing, and they are required to do that as of this ruling. gerhard: how much of a difference would thisake? >> we would have to look at the specific numbers of how much shelf produces, but all oil and gas production needs to wind down globally to meet the goals of the paris climate agreement. 45% duction in the next decade, as you said, is in line with those targets. with the court ruling said is show is not -- they cannot do this alone, of course,ut that does not absolve them from doing their part. gerhard: she'll essentially argue that if it does not produce the oil, someone else ll. isn't that a valid argument? >> no, it's not a val argument. it has been one of the main subjectsf my research. the economic literature is pretty car. if you stop proding oil in one part of the world,ot all of that oil gets produced by another producer. there is an efft on overall consumption. that was th