Ancient Green Sahara Slowly Transformed to Planet's Largest Desert
The world’s largest hot desert (seeing as technically Antarctica is the largest desert, though cold), the Sahara measures in at over 9 million square kilometers, and covers the majority of northern Africa. With an intermittent history that some believe may go back as far as 3 million years, a new study questions how it made its transition from lush
greenery to hot sandy desert.


StumbleUpon!
Bookmark it!
Digg
This!

















