本丛书是中学双语教学材料，由上海中学双语教材编写组从多种原版教材中精选精编而成。原讲义已在上海中学多次**。考虑到目前双语教学发展的不平衡态势，每个单元由词汇、课文和习题三部分内容组成，以适合初、中、高不同层次的需要。词汇部分概括了本章的要点，课文和习题反映了本章的知识。丛书包括数学、理化和环境科学三册。
各篇课文全部选自原版教材，内容上不增加新知识点。表述为典范科技英文、文字规范简洁，为了方便教学，作者根据教学经验对于语言上的难点略作了注释。
本册是环境科学分册，讲述了环境与生态系统、生态系统的组成、人类对生态系统的影响、能源及利用、土壤和食物等环境科学方面的基础知识。

Ch. 1 Environment and Ecosystem
Glossary
1 What are Ecosystems?
2 Field Study
Ch. 2 What Makes up an Ecosystem?
Glossary
1 Abiotic Parts of Ecosystems
2 Biotic Factors in Ecosystems
3 Lab Study
Ch. 3 Human Culture Affects Ecosystems
Glossary
1 Tools Change Ecosystems
2 Farming Changes Ecosystems
3 You Solve It
4 Case Study
Ch. 4 Energy in Your Life
Glossary
1 Energy Sources
2 Measuring Energy Consumption
3 Transportation
4 Residential Energy Use
5 Industry and Agriculture
6 Field Study
7 You Solve It
Ch. 5 Global Patterns of Energy Consumption
Glossary
1 Energy Use in Developed Countries
2 Energy Use in Less Developed Countries
Ch. 6 Soil:It Isn't Just Dust
Glossary
1 Soil Formation
2 Soil Components
3 Soil Profile
4 Soil Minerals and Nutrients
5 Soil as an Ecosystem
6 Food Chains and Energy
7 Soil Erosion
8 Soil Conservation
9 Farmland Conservation
10 Enriching the Soil
11 Lab Study
Ch. 7 Food: A Gift of the Soil
Glossary
1 Domesticated Plants
2 Domesticated Animals
3 From Farm to Supermarket
4 Industrialized Agriculture
5 You Solve It
Ch. 8 Populations
Glossary
1 What is Population?
2 Growth and Decline of Populations
3 Carrying Capacity of a Region
4 You Solve It
5 Lab Study
6 Field Study
Ch. 9 Creating a Balance
Glossary
1 Stabilizing Population:A Global Challenge
2 Family-planning Programs. A Global View
3 Human Populations and Food
4 You Solve It
Ch. 10 Your Water Supply
Ch. 11 The Atmosphere and Air Pollution