Sahara forest? Yes. The Sahara was a forest only 6000 years ago. That's about as long as recorded history of mankind, but in geological terms less than the blink of an eye! Just to show how climate change can have huge impacts, whether it's our doing or not. It's hot down there now.... (http://www.absolutearts.com/painting_oil/evert_schut-deep_in_the_sahara_forest-1231074378.html)