[cogitator]

No doubt about that. Sea levels have changed considerably over time (and at geological rates) in paleohistory. They had to, when a lot of water was locked up in continental ice caps. As for highstands, all the phosphate deposits in Florida were created when most of Florida was underwater (for a considerable time), and the limestone underlying Florida is also a marine formation.

But human activities are helping the process along right now.

[neverdem]

But human activities are helping the process along right now.

I have to wonder. The average tempurature isn't supposed to have become warmer since 1998.

Global ocean temperatures "plunge" The source link doesn't work. How convenient?

The UN Climate Change Numbers Hoax (Devastating)

Determining the level of support expressed by reviewers’ comments is subjective but a slightly generous evaluation indicates that just five reviewers endorsed the crucial ninth chapter. Four had vested interests and the other made only a single comment for the entire 11-chapter report. The claim that 2,500 independent scientist reviewers agreed with this, the most important statement of the UN climate reports released this year, or any other statement in the UN climate reports, is nonsense.

That excerpt is from the original source, Canada Free Press.