About This Lesson
When you've got a thousand animals to look after you need a lot of clean water. Emmen Zoo purifies and recycles its water through a natural 'Living Machine'.
lesson
4 Downloads
Resources
Files
natural_machine.9.wmv
natural_machine.mov
External resources
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The web page link does not work, but when you download the video it does. This length is great for an introduction or part of a research project-- how can you conserve and reuse water? Good resource for environment and conservation.