Copenhagen diary: Mystery guests, taxpayer travel, and cheering up Yvo
John Vidal
Day four: As the UN releases its full conference accreditation list, the UK government is vague over its travel plans and Yvo de Boer remains as gloomy as ever
Bangkok diary: acronyms, ambition and underwater meetings
John Vidal: Norway has proposed 40% emissions cuts. Other countries are trying to bail out of Kyoto. And as the heat rises at the Bangkok climate change talks, Ed Miliband gets a thorough basting