Sahara

October 3, 2012, 6am PDT
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.
The Financial Times
July 10, 2008, 5am PDT
<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>
Environmental News Network