SciDev.Net
Science and Development Network
News, views and information about science, technology and the developing world
Definitions
List of terms for Desert science
Producing enough food for a rapidly growing population, and taking care of our planet are two of the world's biggest challenges.
L
Land degradation
A decline in the ability of land to store and recycle energy, nutrients and water. Land degradation decreases soil productivity. It has both human-induced as well as natural causes. Some 40 per cent of the world's cropland is degraded, as is 21 per cent of global pastures and 18 per cent of all forests.
Information Services
The global food crisis
A series of articles debate key issues such as GM technology, media reporting and agricultural policymaking
