Artificial floating islands can be used to clean urban bodies of water. Any polluted canal, river, estuary, lake in a city park, or storm water retention pond would benefit from a floating island.
Floating islands occur in nature when part of a lake’s bank breaks away from the shore and floats around, sometimes for years. The islands act as the lake’s liver, purifying its waters. The roots of plants hold the island together and dangle down into the lake’s waters, creating a habitat for bacteria, algae, zooplankton, and other critters. These organisms, as well as the plants themselves, play a role in the uptake of nutrients and degradation of toxins in the water.
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