The struggle to curb global warming is becoming increasingly fraught and costly, the head of the world’s leading climate science authority has warned. “We will have to work much harder to win this battle now than we would have been required to do 10 or 15 years ago,” Rajendra Pachauri, chairman of the UN’s Intergovernmental Panel on Climate Change, told the FT in an interview. Speaking in London, Dr Pachauri said he was still optimistic the world would find a way of curbing the man-made greenhouse gas emissions that scientists say are warming the planet to potentially dangerous levels. “The challenge is daunting but I don’t for a moment feel pessimistic,” he said, explaining there were many examples of technical advances and political actions underway to combat the problem. The IPCC was set up in 1988 to give governments an expert assessment of how the climate is changing, and […]