题目内容

However, two biggest components of the global water shortage are the pollution of drinking supplies with human waste, and the huge waste of water that is mainly in some agricultural practices.

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The world’s environmental situation might be eased if we carefully deal with our waste.

Meanwhile, water used for agriculture accounts for more than two thirds of human’s use of water.

By using “micro-irrigation”, in which water is piped and fed onto crops through sealed systems, irrigation can be made 90% efficient.

Nevertheless, it is the political level that determines whether the battle to fight against the global water problems will ultimately be won or lost.