Unit 1 1
Part A Introduction to Environmental Science 1
Part B Introduction to Environmental Impact 10
Unit 2 15
Part A Environmental problems 15
Part B The Interrelated Nature of Environmental Problem 22
Unit 3 28
Part A Ecosystem 28
Part B Endangered Species 35
Part A Summary of EIA 40
Unit 4 40
Part B Inadequacies in Current Methods for Environmental Assessment 48
Unit 5 51
Part A Environmental Management Systems 51
Part B Environmental Protection and Education in China 58
Unit 6 63
Part A Sustainable Development 63
Part B Six Steps to a Sustainable Society 69
Unit 7 75
Part A Water Pollution and Pollutants 75
Part B Wastewater 82
Part A Principles of Wastewater Treatment 86
Unit 8 86
Part B Biological Treatment System 93
Unit 9 98
Part A Water Purification 98
Part B Water Treatment Processes 106
Unit 10 112
Part A Type and Sources of Air Pollutants[Ⅰ] 112
Part B Type and Sources of Air Pollutants[Ⅱ] 118
Unit 11 122
Part A Conventional Technology of Air Pollution Control 122
Part B Gas and Vapor Control Technology 130
Part A New Technology of Air Pollution Control[Ⅰ] 133
Unit 12 133
Part B New Technology of Air Pollution Control[Ⅱ] 140
Unit 13 145
Part A Solid Waste Disposal Technology 145
Part B The Impacts of Composting 151
Unit 14 156
Part A Techniques for Removal Pollutants from Soil 156
Part B Obsolete Pesticides Threaten Environment 162
Unit 15 166
Part A Sound and Noise 166
Part B Effects of Noise 171