11.   There also is the obvious environmental benefits to biking, since it reduces air pollution and reduces traffic.

12.   These measures could sharply reduce pollution from road traffic.

13.   This studied the economics of reducing groundwater pollution in ten catchments overlying chalk, sand or limestone aquifers.

14.   Those include reducing air pollution by two pounds every time some source adds one pound.

15.   The government is trying to back out of its commitment to reduce pollution.

16.   The industry has signed a non-binding agreement to reduce pollution.

17.   Building more motorways and by-passes will help the environment by reducing pollution and traffic jams in towns and cities.

18.   EC ministers have agreed on measures to reduce water pollution by nitrates from chemical and natural fertilizers after a debate lasting two and a half years.

19.   The project has enabled farmers to reduce environmental pollution whilst raising crop yields.

20.   The report is aimed at cutting farm surpluses, reducing pollution, and protecting the countryside, while still allowing farmers to stay in business.