31.   If fires in the Black Forest were causing regional pollution, France would certainly have assisted Germany or insisted on German action.

32.   Instead, it caused groundwater pollution that has left aquifers from New England to California reeking.

33.   Instead, it turned out to be a villain, causing groundwater pollution that has left aquifers from New England to California reeking.

34.   New York says the purpose of its limit is to reduce idling, which causes air pollution.

35.   One study, for example, found that participants chose consumer goods that cause pollution over air quality when presented with the goods one at a time.

36.   The drilling, protesters argued, caused air pollution and left much of the rich farmland unusable.

37.   The effects of new building, more jobs and people may boost the economy but it also causes more pollution.

38.   The EPA contended that MMT might impair car emission control systems and cause more pollution.

39.   The horses that riders take down the creek cause more pollution than his golf course would, he added.

40.   The overflows cause severe pollution in the creeks, which, in turn, taint the Chattahoochee and the South rivers.