http://www.biology-online.org/6/17_pollution.htm
As with all ecosystems, the existence and operations of human society inevitably have an effect on the way of life in a freshwater community. Particularly in Western society, where a huge amount of resources are harnessed from the land to fund our lifestyle, there is a resulting effect on the ecosystems of our planet.
Water Pollution
Thursday, April 23, 2009
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