Sunday, October 2, 2016

Ice Age

Glaciologicallyice age implies the presence of extensive ice sheets in both northern and southern hemispheres.

By this definition, we are in an interglacial period—the Holocene—of the ice age that began 2.6 million years ago at the start of the Pleistocene epoch, because the GreenlandArctic, and Antarctic ice sheets still exist. (wikipedia)