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Grasses Used to Help Purify Sewage
The plant at Forrest Hill, west of Brisbane, is using floating mattresses of plants to purify sewage.

Queensland Urban Utilities said the trial was a Queensland first and involved growing native varieties of grass on specially engineered plastic mattresses.

They have been used to grow 400 varieties of wetland grass plants, which draw toxins out of the water — things like carbon, nitrogen and phosphorus. It's a natural way to cleansing the waste water, that does not require chemicals or electricity.

Once the water is treated by the native grasses, it is purified with chlorine and then pumped to a local farmer who uses it for irrigating his crop.


 
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Blue-Green Algae a Threat to Hunting Dogs - With about 80,000 waterfowl hunters, Wisconsin has the third highest number of waterfowl hunters in the country. About 60 percent of those hunters use dogs to retrieve their harvested ducks and geese. Dogs don’t mind swimming in cold water, but take precautions against getting seriously ill from ingesting water contaminated with potentially toxic blue-green algae.


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