SciDev.Net: Global sea levels will rise much higher than predicted by the end of this century, climate experts have warned — a scenario which could have dire consequences for millions of people in the developing world. Just two years ago, the UN Intergovernmental Panel on Climate Change predicted a worst-case scenario rise of 59 centimetres. But the accelerated melting of ice sheets in Antarctica and Greenland caused by faster warming means the worst case is now put at 1.2 metres. A sea …