Climate change was described as a ‘weapon of mass destruction’ by a leading scientist during a special breakfast event this week. Almost 100 local church leaders and politicians gathered in Belfast to be briefed by Sir John Houghton of the Nobel Peace Prize winning Intergovernmental Panel on Climate Change. During the breakfast on Tuesday, he challenged the gathering to reduce its carbon emissions. He stated the global average temperature rise must be kept as far below two degrees Celsius as possible. Warning of the consequences should the challenge not be heeded, Sir John said: "The impacts of global warming are...