In an ideal world, aa coordinated carbon tax would be very hopeful. I can't really certainly isn't going to happen in glasgow. This question transfer of funds to developing countries has been built into the whole u lectrocal se. As we move to the implementation of these great climate ambitions, we're going to get many, many issues like this where trade interests and economic interests collide with climate interests. And that's going to take a lot of working out. To be honest, i don't think there are any easy solutions in any of this ashat and we're quickly running at a time.