Water pollution of the Dian Lake is a great problem in Kunming City and Yunnan Province. As a worldwide difficult problem, water pollution of lake is ubiquitous in the world.
滇池的水环境污染是昆明市乃至云南省当前所面临的最大的问题，湖泊污染治理本身作为一个世界性的难题，在世界的范围内都是普遍存在的。
The lake is now about one-third of its former size, wafting a lingering odour from the pollution and ubiquitous rubbish strewn along the narrowing lakeshore.
这个湖现在大概只有以前的三分之一大，狭窄的湖岸上到处都是垃圾，污染物发出的臭气弥久不散。
Overuse of fertilizer and pesticides has in many areas stripped the soil of nutrients or made it too acidic, as well as contributing to river and lake pollution.
在许多地区，化肥与农药的过度使用已经造成土壤营养成分流失、过度酸化，而且污染了河流与湖水。
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