july in which 8.5 billion tons of ice turned to water on a single day and raised sea levels permanently. you have to twoer about the miamis and the shanghais of the world. >> what does it mean if it rains on the glaciers? >> if the ice melts, it will stay the same. this is land ice. when it goes into the oceans, it gets higher. we built so many trillion dollar economies along our coastal edges now. just one tkphraeurber, if it goes, and it's going faster than anyone predicted, is enough to raise by two feet. on top of that, the fresh matter flowing into the gulfstream, this conveyor built from the caribbean up the east coast to ireland, uk and down, that