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1.Basic of Water
〜Let's understand about water〜
§1.Water and the Earth
§2.Water and Japan
§3.Tap water
§4.Delicious water
2.Water Crisis
〜Let's understand water issue〜
§1.World water crisis
§2.Water contamination
§3.Cause and current condition of environment destruction
3.Water Environment Measure
〜To protect beautiful water〜
§1.Water purification measure
§2.River purification measure
§3.Lake and marshes purification measure
§4.Ocean purification measure
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