Irish Times: Ireland should become a global leader in encouraging countries to produce more food in a sustainable way while reducing emissions, climate change expert Bruce Campbell has said. Dr Campbell said he believed no country was taking the need for emissions reductions seriously but soon they would have no choice. Were essentially on target for a four degree-warmer world at the moment and its going to make some parts of the world unlivable. For example, sub-Saharan Africa is going to be in real trouble...