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How important is the quality of water important to the life on Earth? What is the current water quality in Kansas? Is water quantity more important than the water quality? How do population growth, urbanization, industrial production, and agriculture affect water quality? How does climate change influence water quality? How can water quality be sustained? How can polluted water be treated or purified? How does water quality affect human health? How valuable is water quality? How much are you willing to pay or give up for water of desirable quality?