claim: While there has been a mean rise of a little more than 3mm per year worldwide since the 1990s, in the last decade, the NOAA Virginia Key tide gauge just south of Miami Beach has measured a 9mm rise annually.”
evidence: Data collected by the Commonwealth Scientific and Industrial Research Organisation ( CSIRO ) in Australia show the current global mean sea level trend to be 3.2 mm ( 0.13 in ) per year, a doubling of the rate during the 20th century.