Topic 4 - Water World

Topic 4 - Water World
An area with unreliable and inefficient water supply - the Sahel, Africa.

Impacts of climate change on the hydrological cycle

Eutrophication

Large scale water management project - The Colorado River (Hoover Dam), USA.

[http://www.youtube.com/watch?v=e3bB0kGe1VI scale intermediate technology solutions for water - Rainwater harvesting in the Sunderbans, Bangladesh. Small scale intermediate technology solutions for water - Rainwater harvesting in the Sunderbans, Bangladesh.]

Small scale intermediate technology solutions for water - Tube wells in the slums of Dhaka, Bangladesh.