Phytoremediation.

These systems are using phytoremediation to clean waste water. Phytoremediation is the process of using plants to remove pollutants from soil or water. The term comes from the Greek word “phyto”, meaning plant, and the Latin “remedium”, meaning to restore balance. Phytoremediation = plant + restore balance. See the longer explanation of phytoremediation by Wikipedia.

One the leading figures in this field is Dr John Todd. Very informative and inspiring can be found on his John Todd Ecological Design.

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