11.   Even if pollution never causes similar disasters in New York, it could cost the city a considerable amount of money.

12.   For while Clinton appears to fully accept the assertion that man-made pollution causes global warming, he is hedging on what to do about it.

13.   He would commit the agency to regulate fine particles of soot later if further research proved that such pollution caused illness.

14.   How pollution is causing the state Department of Health to recommend against harvesting shellfish throughout much of Puget Sound.

15.   It could be global warming caused by pollution or maybe Mother Nature is giving us the cold shoulder.

16.   Most people will tell you that cancer is generally caused by pollution, by toxic chemicals and so forth.

17.   Most scholars believe this is caused by pollution from China.

18.   Public-health advocates maintain that particulate and ozone pollution also cause higher rates of school absenteeism and bronchitis among school children.

19.   While calling for reduction of greenhouse gases, Clinton stopped short of an explicit declaration that pollution was causing the global climate to change for the worse.

20.   Air pollution causes cancer and lung diseases and could be reducing male potency, the United Nations said Monday.