(1) People move or reduce physical activities when air pollution becomes intolerable.

(2) More energy is used to cool buildings and more air pollution is created in the form of smog.

(3) Types of air pollution include particulate and gaseous emissions and odour pollution .

(4) Insidious pollution of the soil is the main cause of extinction of plant species in the UK.

(5) The grime of industrial pollution is as far from a middle-class issue as you can get.

(6) The level of pollution in the air is rising

(7) The pollution of water

(8) Industrial pollution

(9) Commercialisation has had the same kind of effect on sport as pollution has on rivers.

(10) All it wanted was low levels of pollution and plenty of lime in the water.

(11) Anglers have said for years that the countryside was being damaged by pollution of our waterways.

(12) They have also run projects for the children to look at pollution and environmental issues.

(13) We in the west need to give careful thought as to how we can reduce environmental pollution .

(14) It would also support local jobs and reduce pollution and damage from excess freight.

(15) This is a wasteful process causing a net loss of nitrogen to the animal and pollution of the environment.

(16) Greenery is a main aspect of our effort to improve air quality and reduce pollution .

(17) We are surrounded by pollution which animal tests have clearly failed to prevent.

(18) What a waste of our tax money and with such awful cost in pollution and damage.

(19) Governments are making slow progress with the issues of recycling and pollution .

(20) Their environmental impact and contribution to the air pollution of York streets is nil.