Guardian: It was the crowning glory of a distinguished career when, in December 2007, the head of the UNs Intergovernmental Panel on Climate Change, the charismatic Rajendra Pachauri, collected the Nobel peace prize in Oslo.
Elected by governments five years before to chair the small independent organisation charged with informing them on the state of global climate science, Pachauri had seen off the Bush administration, which loathed the IPCC for not taking its line on climate change. He had weathered...