Irish Independent: THE future of the world is at risk unless the problem of global warming is tackled, a leading United Nations expert warned yesterday. Dr Rajendra K Pachauri, head of the UN’s Intergovernmental Panel on Climate Change (IPPC), told a conference in Cork that mankind would “regret” not taking action, and raised the possibility of global conflict unless greenhouse gas emissions were reduced. “The climate system of the earth is on a warming trend. The rate of change has become much …