The head of the UN's climate change panel - Dr Rajendra Pachauri - is accused of making a fortune from his links with 'carbon trading' companies, Christopher Booker and Richard North write. No one in the world exercised more influence on the events leading up to the Copenhagen conference on global warming than Dr Rajendra Pachauri, chairman of the UN’s Intergovernmental Panel on Climate Change (IPCC) and mastermind of its latest report in 2007. Although Dr Pachauri is often presented as a scientist (he was even once described by the BBC as “the world’s top climate scientist”), as a former...