Water levels have been rising since the last glacial period started ending, about 20,000 years ago. We've been cycling in and out of ice ages for the last few million years.
Water levels have been rising since the last glacial period started ending, about 20,000 years ago. We've been cycling in and out of ice ages for the last few million years.
“... cycling in and out of ice ages for the last few million years....”
as per the definition of the Quaternary Period.
https://en.wikipedia.org/wiki/Quaternary