News tagged with sahara

Image: Lake Chad from orbit

This Landsat-8 image from 4 July 2014 shows Lake Chad in West Africa's Sahel region – a transition zone between the Sahara Desert to the north and savannahs and woodlands to the south.

Sep 05, 2014 5 / 5 (1) 0

When the Sahara turned to sand

The Sahara wasn't always a desert. Trees and grasslands dominated the landscape from roughly 10,000 years ago to 5,000 years ago. Then, abruptly, the climate changed, and north Africa began to dry out.

Nov 11, 2013 4.4 / 5 (12) 4

Lessons from Timbuktu

Society today might think of science parks, technology centres, business incubators and knowledge precincts as being entirely modern phenomena, representative of the great advances of human endeavour sparked into the life ...

Jul 18, 2013 4 / 5 (1) 0