How A Once Lush Green Sahara Became One Of The Biggest Deserts On Earth | How The Universe Works

Did you know that 10.000 years ago the Sahara desert was a lush green paradise? Well, it didn t take that same amount of time for the place to be transformed into a desert. Find out here how it happened! Subscribe to Discovery UK for more great clips: http://www.youtube.com/subscription_center?add_user=DiscoveryTV Follow Discovery UK on Twitter: http://www.twitter.com/DiscoveryUK