Online Textbook PDFs
The online textbook provides a background to understand and discuss the natural functioning of the different Earth systems; it introduces humans as part of the overall ecosystem and explores what is needed to sustain human life; and it looks at the effects that human actions have on different natural systems. The online textbook also includes full-color images of related figures, glossary terms, and a bibliography for further reading.
Click on the unit titles in the menu to the left to view the Web version of the online textbook, which includes links to related material; or download PDF versions of the chapters below.
Download PDF versions of the Online Textbook: