Environmental Pollution Studies

Cover Illustrations

1 Activated sludge treatment works

2 Algal scum

3 Collecting silage from fields

4 Sea cages of a salmon farm

5 A year's rubbish from a UK family

6 A compactor working on a refuse tip

7 River Girvan downstream of the mine-water discharge

8 Reed beds for purifying ferruginous mine water

9 High stack for dispersing airborne pollutants

10 Skeletal remains of diatoms in sediment [courtesy Dr Roger Flower,

Environmental Change Research Centre, University College, London]

11 Road traffic on the M8

12 Lichen on mature trees

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