Pollution 1
CAUSES, EFFECTS AND CONTROL MEASURES
5.2.1 Air Pollution 113
5.2.2 Water Pollution 123
5.2.3 Soil Pollution 131
5.2.4 Marine Pollution 135
5.2.5 Noise Pollution 140
5.2.6 Thermal Pollution 142
5.2.7 Nuclear hazards
‘We spray our elms, and the following spring, trees are silent of robin song, not because we sprayed the robins directly but because the poison traveled step by step through the now familiar elm-earthworm-robin cycle’
This quotation appeared in Rachael Carson’s book entitled Silent Spring. In the years following the publication of Silent Spring in 1962, book has inspired controversy and has initiated a major change in thinking about the safety of using pesticides and other toxic chemicals.