At least two of those ice ages were Snowball Earth. Where the earth is nearly completely covered in ice & snow.
We are still in a major glaciation period - the Quaternary (A period of cyclic transcontinental glaciations!). There is no firm geologic\geophysical evidence its ended. (I actually don’t know of any evidence its ended!) What we have experienced for the last say 20,000 years is a warming lull for the most part. (There were cold periods in the lull like “The Little Ice Age!”) So !
As Ned Stark would say
“Winter is Coming!”
We just don’t know when!
The green new deal needs to be called The DEAD Green New Deal.
We are still in a major glaciation period - the Quaternary (A period of cyclic transcontinental glaciations!). There is no firm geologic\geophysical evidence its ended. (I actually don’t know of any evidence its ended!)
The good historical studies of our earth’s climate history, backs up what you posted. Many say we are still in final stages of an Ice Age.
Thanks for your post.