Greenland and Antarctica jointly store enough frozen water to lift global seas by almost 65 meters. Even partial ice loss threatens 230 million people living within one meter of today’s shoreline in ...

The last time carbon dioxide levels in the atmosphere were as high as today, about 3 million years ago, the sea level was 33 to 66 feet (10 to 20 meters) above where it is now. Multiple meters of ...

The uppermost part of the ocean, down to about 2,300 feet (700 meters), has absorbed the bulk ... up to several degrees above the average. Warm water takes up more space than cool.