
The Geologic History of Earth.
Note the timescales. We are currently in the Holocene, which has been warm and moist and a great time to grow human civilization. But the activity of civilization is now pushing the planet into a new epoch which scientists call the Anthropocene.
Interesting reading via NPR
http://www.npr.org/sections/13.7/2016/10/01/495437158/climate-change-and-the-astrobiology-of-the-anthropocene
#science #anthropocene #climatechange #geology