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A. I think that despite its problems, it s useful. The utility of net-zero is both its temporal flexibility and its spatial flexibility. We have to realize that every country has its own roadmap for this transition that is shaped by history, by geography, by colonialism. It’s quite reasonable that countries will have different timelines and that countries in the Global North that have benefited from an unequal exchange should have an earlier net-zero date. They could be removing carbon — be net-negative — while other countries are still working to build out renewable infrastructure. They can balance each other out. That could ease the transition globally if we were smart and fair about it — which I know would be unprecedented given the history of injustice in all of this, but it s something that I think we can strive for.