check that out and here on bbc news we will keep you right up to date with the g20 summit which is wrapping up as well as the cop26 glasgow summit that is under way. this is bbc news. goodbye. this glasgow summit that is under way. this is bbc news. goodbye.- this is bbc news. goodbye. this is bbc news with this is bbc news. goodbye. this is bbc news with ben this is bbc news. goodbye. this is bbc news with ben brown. - this is bbc news. goodbye. this is bbc news with ben brown. the i bbc news with ben brown. the headlines. the crucial cop26 climate change summit gets underway. 25,000 delegates will attend from about 200 countries to announce how they plan to cut emissions by 2030. alok sharma assumes presidency of cop26 climate change conference and says that the conference is our last, best hope to keep global warming limited to 1.5c by the end of the century. if we act now and we act together,