Keep in mind that before the last ice age ended sea level was about 500 feet lower than it is today. That’s about where the edge of the shelf of each continent.
.5 mm is not something that can be proven nor anything to be alarmed about even if true
ice at poles growing so if anything sea levels are lowering
But if there is one scientist who knows more about sea levels than anyone else in the world it is the Swedish geologist and physicist Nils-Axel Mörner, formerly chairman of the INQUA International Commission on Sea Level Change. And the uncompromising verdict of Dr Mörner, who for 35 years has been using every known scientific method to study sea levels all over the globe, is that all this talk about the sea rising is nothing but a colossal scare story.
Despite fluctuations down as well as up, “the sea is not rising,” he says. “It hasn't risen in 50 years.