Global average sea level has risen about 102 millimeters (about 4 inches) since 1993 as a result of human-caused global warming, with recent rates being unprecedented over the past 2,500-plus years. (For perspective, 102 mm, or 4 inches, of sea level rise is like covering the U.S. in about 16 feet (about 5 meters) of water.)
Source: Sea Level | Vital Signs – Climate Change: Vital Signs of the Planet
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