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Ô nhiễm môi trường.avi

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Uploaded by on Mar 7, 2010

PowerPoint record

Category:

Education

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Standard YouTube License

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  • VIETNAM TODAY NEED BUILD WATER TREATMENT PLAN IN EVERY CITIES. The sewage water in cities and country side dump into rivers, springs, lakes and beach shores. Especially house hold in country side. I had seen few dead rivers, springs, lakes in Hanoi, Saigon, Bien Hoa Dong Nai...with I called "Dead rivers in Vietnam". XÉT VỀ LÂU DÀI ĐÂY LẦ MỘT ĐẠI NẠN NGHIÊM TRỌNG@DISATERS-BỆNH DỊCH DO Ô NHIỄM NGUỒN NƯỚC Ở VN...

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