Earth is the only known planet with liquid water on its surface and is certainly the only one in our solar system. 71% of the Earth's surface is covered by ocean, more than half of this area is over 3 kilometres (9,800 ft) deep.
Current sea level rise has occurred at a mean rate of 1.8 mm per year for the past century.
Scientific evidence supports the claim that current sea level rise is caused by global warming.

From 1961 to 2003, the global ocean temperature has risen by 0.10 °C from the surface to a depth of 700 m, then some cooling from 2003 to 2007. Warming reduces the ocean's ability to absorb CO2.

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