PART 1ENVIRONMENTAL PROBLEM1 Unit 1Text:Global Environmental Issues1 Reading Material:Climate Change5 PART 2WATER POLLUTION AND WASTEWATER TREATMENT8 Unit 2Text:Water Pollution8 Reading Material:Wastewater13 Unit 3Text:Water Pollutants17 Reading Material:Biochemical Oxygen Demand21 Unit 4Text:Wastewater Treatment Methods and Disposal [Ⅰ]24 Reading Material:Treatment of Cyanide Wastewater29 Unit 5Text:Wastewater Treatment Methods and Disposal [Ⅱ]31 Reading Material:Advanced Wastewater Treatment36 Unit 6Text:Extended Aeration Activated Sludge Plant41 Reading Material:Types of Decomposition45 PART 3AIR POLLUTION AND CONTROL47 Unit 7Text:Principal Air Pollutants47 Reading Material:Global Air Pollution Problems52 Unit 8Text:Photochemical Smog57 Reading Material:How Does Smog Affect Us?61 Unit 9Text:Particulate Removal65 Reading Material:What is Acid Rain and What Causes it?68 Unit 10Text:Control of Gaseous Pollutants73 Reading Material:Measures to Improve Air Quality78 PART 4SOLID WASTES AND DISPOSAL81 Unit 11Text:Types of Solid Waste81 Reading Material:Health Impacts of Solid Waste84 Unit 12Text:Solid Waste Management87 Reading Material:Handling Household Hazardous Waste91 Unit 13Text:How to Compost95 Reading Material:Recycling and Reuse99 PART 5OTHER POLLUTION AND CONTROL TECHNOLOGIES102 Unit 14Text:Noise Pollution102 Reading Material:Effects of Noise on Health and WellBeing106 Unit 15Text:Thermal Pollution108 Reading Material:Radioactive Waste112 PART 6ENVIRONMENTAL MONITORING115 Unit 16Text:Monitoring115 Reading Material:Sampling and Testing Procedures118 Unit 17Text:Biological Oxygen Demand Monitoring122 Reading Material:Chemical Oxygen Demand (COD) and Dissolved Oxygen(DO)Testing Procedures125 PART 7ENVIRONMENTAL POLICY AND MANAGEMENT128 Unit 18Text:The National Ambient Air Quality Standards128 Reading Material:Water Quality Standards132 PART 8ENVIRONMENTAL IMPACT ASSESSMENT136 Unit 19Text:Environmental Impact Assessment136 Reading Material:Environmental Assessment as a Project Management Tool140 PART 9ENVIRONMENTAL SUSTAINABLE DEVELOPMENT143 Unit 20Text:Clean Production143 Reading Material:Envisioning a Sustainable Future147 Glossary of terms154 APPENDIXES168 Part ⅠReading Training168 Part ⅡTranslation Training176 Part ⅢListening Training191 Part ⅣSpeaking Training196 Part ⅤWriting Training201