on climate change, cop26, in scotland, would be a pivotal moment . one man who will be part of this summit is bill hare, a climate change scientist, cop veteran and chief executive of climate analytics, based in berlin. i asked him to assess how well the international communities have been doing. we saw progress in the 90s with the kyoto protocol and with the major step backwards with the us government under george bush repudiating the protocol and followed by others, canada, australia and japan and so on and it went backwards. it has been a real rollercoaster ride and from excise point of view we have known for a long time how dangerous it is. i remember in 1995 and copped one germany when angela merkel was the