Temperature record of the arctic

Of course this one is not on Wikipedia

And it's so easy to find using Google Image search, it's sort of funny, but it makes this entry easy.

 

 

ERA-Interim data 

The Younger Peron

While it is obviously "something", a name used for the second highest Holocene highstand, Wikipedia has no article for it.  It does appear (of course) in various articles, but there is no definition, explanation or graphic showing it.

Here it is used in a book.

Holocene Marine Transgressions, Holocene Marine Transgression

They are  mentioned, but no articles.

Climate theory, theory of climate, theory of climate change

None of those have an article on Wikipedia.

This is just not possible by chance or error.

Sea level high stand, or sea level highstand

Sea level high stand 1,550 results Google scholar

Sea level highstand  4,610 results Google scholar

Encyclopedia of Geology

Nature

Science

Wikipedia -

You may create the page "Sea level high stand",