 We have seen massive losses of Arctic ice just in the last 20 to 30 years. The actual warming in the northern latitudes in the northern hemisphere is reaching six degrees centigrade already. And in particular, the old ice, the thick ice, is rapidly disappearing. This has impacts on biodiversity. It has impacts on the native populations of the polar regions. And it has impacts on ocean circulation, which can ramify throughout the globe and affect things like the Gulf Stream. So that the ice and the Arctic can affect the weather in London.