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An explanation of world water supply. Despite 97.5% of the world being covered in water, less than 1% of it is available to drink. Some Gulf states are using desalination as a solution to their water supply problems.
This clip is from:
First broadcast:
15 October 2002

Classroom Ideas

Students could investigate desalination and other methods of sorting, treating and managing water so that countries can ensure their population has access to safe, clean drinking water. Students could create a display showing the benefits and drawbacks of each of these methods. An interesting discussion point would be - why can't all countries benefit from these methods of water management?