Climate change is already affecting the world's oceans as well as every continent and it’s going to get much worse if emissions are not curbed, say scientists in a sweeping new report by the UN's Intergovernmental Panel on Climate Change. The report asserts that ice caps are melting and global water supplies are being affected. Animal species, most notably fish, are moving toward the poles or going extinct. And particularly important for many island and coastal countries, the pace at which sea levels are rising is endangering coastal areas. The list of problems reads like an unending parade of misery, including rising acidity in the oceans, a threatened world food supply, and possibly mass migration and violence as a result.