At this point water begins to use much more space than before, making the sea's surface level increase. This process already raised the height of the ocean by 4 to 8 inches (10 to 20 cm), according to National Geographic.
Flooding represents one of the most dangerous hazards to human settlements, being one of the most concerning impacts of global warming. Heavier rainfalls, sea level rises and the melting of polar caps, are just some of the numerous issues that will increase probabilities of flooding. As the climate changes, the seas get warmer creating the so called "thermal expansion".
Continuously melting glacial ice also boosts up the numbers, therefore many coastal or low-lying cities are under the threat of eradication. An increase of only 3 feet (1 meter) would cover up with water major sectors of the American eastern seaboard, while 1/6 of Bangladesh could be lost permanently.
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