An Ancient Ice Age Froze the Entire Earth–and Helped Humanity Flourish

5 bookofjoe 1 7/24/2025, 1:15:21 PM lithub.com ↗

Comments (1)

andsoitis · 1d ago
An ice age is when Earth has permanent ice sheets at the poles for millions of years.

We are currently in an ice age, specifically the Quaternary Ice Age, which began about 2.6 millions years ago.