Delegates arrive for Cop27 on 6 November in Sharm el-Sheikh, Egypt, and the conference is scheduled to end on 18 November, though it is likely to run later. World leaders will attend on 7 and 8 November, and after they depart the crunch negotiations will be done by their representatives, environment ministers or other high-ranking officials. Cop27 president Sameh Shoukry Cop27 president Sameh Shoukry Photograph: Khaled Elfiqi/EPA Egypt’s foreign minister will take on the pivotal role of Cop27 president, acting as a neutral arbiter of the 196 nations attending, smoothing over differences while challenging laggards to step up with stronger...