Unit1　Environment and Environmental Science 001
Text A: Environmental Science 001
Text B: Environmental Problems 005
New words and Phrases 009
Exercises 010
Reading Material 1: The Environmental System 011
New words and Phrases 016
Reading Material 2: The Earth Planet 017
New words and Phrases 021

Unit 2　Air Pollution 022
Text A: Air Pollution Environment and Health Effects 022
Text B: Ozone Layer Depletion 026
New words and Phrases 029
Exercises 030
Reading Material: Air-Polluted with Particulate Matter from Livestock Buildings 032
New words and Phrases 034

Unit 3　Global Warming 036
Text A: Influence of Greenhouse Gases to Global Warming on Account of
Radiative Forcing 036
Text B: Carbon Dioxide: Capturing and Utilization 041
New words and Phrases 044
Exercises 045
Reading Material: Carbon Sequestration in Central European Forest Ecosystems 046
New words and Phrases 049

Unit 4　Water Environment 050
Text A: Source Water Composition and Protection 050
Text B: Water Pollutants and Wastewater Treatment Methods 054
New words and Phrases 058
Exercises 059
Reading Material: Bioremediation of Polluted Waters Using Microorganisms 060
New words and Phrases 063

Unit 5　Marine Pollution 065
Text A: Sources of Marine Pollution 065
Text B: Major Pollutants in Marine Environment 069
New words and Phrases 077
Exercises 078
Reading Material: Impact of Oil Spills on Marine Life 081
New words and Phrases 087

Unit 6　Soil Erosion 089
Text A: Soil Erosion 089
Text B: Gully Erosion in Southeastern Nigeria: Role of Soil Properties
and Environmental Factors 094
New words and phrases 100
Exercises 102
Reading Material: Realities on Deforestation in Tanzania-Trends,
Drivers and Implications 104
New words and phrases 111

Unit 7　Soil Pollution 113
Text A: Soil Contamination and Risks 113
Text B: Phytoremediation of Soils: Prospects and Challenges 116
New words and Phrases 118
Exercises 120
Reading Material: Bioremediation of heavy metal Pollution in Soil by
Microorganisms 122
New words and Phrases 123

Unit 8　Biochar and Environment 125
Text A: Characterization of Biochar 125
New words and Phrases 127
Text B: Impact of Biochar on the Environment 129
New words and Phrases 133
Exercises 134
Reading Material: Classification, Structure and Properties of Nanostructured
Carbon Materials 135
New words and Phrases 138

References 140