 Ibi rero ngo bizotuma ibibanza vyo ku nkengera zamazi ahasanzwe hacumbitse miliyoni 700, bishikirwa ningaruka kandi ziteye ubwoba. Insiguro yisanamu, Urugero rwamazi mwibahari kera rwaterwa nuko amazi yashushe, ariko gushonga kwamabarafu muri Greenland na Antarctica nikwo gutera ayo mazi kuduga Icegeranyo cerekana ko ku mazinga amwe amwe, ata bantu bazoba bagishobora kuhaba inyuma ya 2100. 