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Here is what will happen at New York and San Francisco if sea water level rises at 1,3, 5, or 7 meters. Data from NASA.

The icecap of Greenland is gradually melting which is one major reason of the rise of sea level. In addition, volume of ice on thousands of mountains is decreasing rapidly.

Some people say global warming is just a natural phenomena that caused by periodic activities of sun and has nothing to do with human’s behaviors. However, we cannot take that chance because Earth is our only home.

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