求翻译：现在全球污染非常严重。全球百分之80的城市空气污染严重，大气层面临毁灭的危险。可饮用水严重短缺，百分之50的淡水资源已受到污染。而适合人类居住的陆地百分之70受到污染。这些问题的源头就是来自于人类。比如工业废水，汽车尾气，还有农药等等，这些都是我们自己造成的。我们应该爱护环境，从身边做起！是什么意思？

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Now that the global pollution is very serious. The 80 % of the urban air pollution and atmospheric faces destruction. Potable water shortage, 50 % of fresh water resources has been contaminated. While suitable for human habitation of the land 70 % contamination. The source of the problem is that the

Now the global pollution extremely is serious.The global 80% city air pollution is serious, atmosphere faced with deconstruction danger.But tap water serious short, 50% fresh water resources have been polluted.But suits the land which the humanity lives 70% to be polluted.These question source is co

Global pollution are very serious now. 80 percent of urban air pollution in the world, are in danger of destroying the atmosphere. Serious shortage of drinking water, 50 percent of freshwater resources has been polluted. 70 percent of land contamination and suitable for human habitation. The source

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