NASA
Nasa Earth Observatory: Land Cover Classification
Learn about the important resources our land offers us: food, water, oxygen, building materials, and more. Discover how scientists have been mapping land for years trying to prevent disasters and to collect environmental information.
Nature Conservancy
Nature Conservancy: Planet Earth: Deserts and Aridlands
The desert areas in the United States that this organization is working to protect are portrayed through photographs and videos, showing the beauty of the landscapes and the diversity of life forms there.
Other
Greatest Places: Namib
Explore the Namib Desert and learn about its location, the Skeleton Coast, mirages, and general information about this home to the highest sand dunes in the world.