Sahara

Frugality is probably not the first word one would associate with a city known for sin and excess. But in the wake of the global financial crash, Matthew Garrahan examines how Las Vegas is pursuing a conservative path to recovery.
Oct 3, 2012   The Financial Times
<p>Officials in Africa have approved a plan to plant a "wall of trees" across the continent to prevent the southward spread of the Sahara desert due to winds and drought.</p>
Jul 10, 2008   Environmental News Network