TY  - BOOK
AU  - Person, Jane L. 
TI  - Environmental science: how the world works and your place in it 
SN  - 0920008488
U1  - 577.1 22
PY  - 2010///.
CY  - Dallas, Toronto : 
PB  - J. M. LeBel Enterprises Inc., 
KW  - Environmental science
KW  - Ecosystems
N1  - Contents;

Unit I: Introduction to ecology - The basics 
1.1 Ecology - A study of relationships 
2.1 Succession - Changing ecosystems 
3.1 Food chains and webs in the ecosystem 
4.1 The flow of energy through an ecosystem 
5.1 Cycles in the ecosystem 

Unit II: The atmosphere 
1.1 Composition of air 
2.1 Weather patterns 
3.1 Sources of pollution
4.1 Chemicals that pollute the air 
5.1 The effects of air pollution 
etc.

Unit III: Food for the table - Changes through science and technology 
1.1 Food . . . Before the big Mac 
2.1 Agriculture - The development of technology 
3.1 The good earth - Black gold 
4.1 The soil disappears 
5.1 Can technology feed the world's hungry?
etc.

Unit IV: Water - The essential fluid 
1.1 Aquatic environments 
2.1Rivers 

Unit V: Energy - Past, present, and future 
1.1 Energy - The rest of the story 
1.2 Fossil fuels - Energy for a nation 
1.3 Achieving energy independence 
1.4 Difficult choices 

;  Index : p.518 - 522
ER  -