There is an underlying force that has been helping out with climate negotiations, which is progress on technologies. We've had solar power and wind power fall drastically in prices. And we've seen the same trend play out in batteries and now electric cars. The next generation of technologies that would need to do the same are hydrogen produced from renewables, and perhaps carbon captur technology. Of course, all that would be helped with a carbon price, and agreed a global, coordinated carbon price. But even if we don't have that, there are mechanisms through which you can put in an implicit carbon price. So a countrie's around the world, and it's not just the yure the europe