第57篇:水污染Increase Public Awareness of Water PollutionMany developing countries are seeing a rapid rise in water pollution so severethat densely crowded cities could be left without adequate safe supplies.As for how to combat water pollution,the most effective way should be by strengthening supervisory policies.Firstly, supervision promotes public awareness of water conservation and protection.Let us take agricultural waste-water as an example.Pesticides and chemical fertilizers are the main