Climate activists are under no illusion that shutting down coal plants, blocking tar sands pipelines, and passing fracking bans will be enough to lower emissions as rapidly and deeply as science demands. There are just too many extraction operations already up and running and too many more being pushed simultaneously. And oil multinationals are hyper-mobile—they move wherever they can dig. With this in mind, discussions are under way to turn the “no new fossil frontiers” principle behind these campaigns into international law. Proposals include a Europe-wide ban on
