Checking the pulse of water-quality credit trading.
Jones
Cy
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D006801:Humans; D015397:Program Evaluation / Q000592:standards / Q000639:trends; D014481:United States; D014876:Water Pollution / Q000331:legislation & jurisprudence / Q000517:prevention & control; D018508:Water Purification / Q000379:methods*; D014881:Water Supply / Q000592:standards