A cowboy collapses after gunshots ring out outside a saloon -- this is not America's Wild West but Spain's arid ... region, long a popular backdrop for Western movies. The Tabernas Desert, one of ...

Arid and semi-arid lands represent 41% of the Earth’s surface, and the proportion is growing. These regions are more vulnerable to global warming than humid areas. If the CO 2 emission rate ...

Parasitic plants cause enormous damage to crops in arid regions Sudan has vast areas of potential cropland, but has been suffering from the devastating effects of the root parasitic weeds of the genus ...