ACCRA (AFP) - Rising sea levels caused by climate change will brutally redraw a 4,000-kilometre (2500-mile) stretch of west African coastline from Senegal to Cameroon by century's end, experts were told AFP Friday. "The cost of Guinea will cease to exist by the end of this century," said Stefan Cramer, a marine geologist and head of German green group Heinrich Boll Stiftung's operations in Nigeria. "The countries most threatened by this looming environmental disaster are Gambia, Nigeria, Burkina Fasso and Ghana," he told AFP on the sidelines of a major UN climate conference in the Ghanaian capital Accra. Cramer said...