21.   Untreated sewage and factory waste taint the Yangtze, Pearl, Huai and Yalu rivers.

22.   Untreated sewage spills onto village streets.

23.   Untreated sewage, oil spills, heavy ship traffic and drainage from rivers such as the Danube have dramatically reduced fish stocks in the Black Sea.

24.   A report on the humanitarian effects of UN sanctions against Iraq released Thursday depicted hospitals where patients shared syringes because of shortages, and untreated sewage flowing into houses.

25.   Some large farms disposed of untreated sewage by pouring it directly into rivers, Ji Gang, an SEPA official, was quoted by the newspaper as saying.