| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Ecological Futures: What History Can Teach Us | 978-0-7591-0454-9 (0-7591-0454-9) | 2008 |
| The Recurring Dark Ages: Ecological Stress, Climate Changes, and System Transformation | 978-0-7591-0452-5 (0-7591-0452-2) | 2006 |
| World Ecological Degradation: Accumulation, Urbanization, and Deforestation, 3000BC-AD2000 | 978-0-7591-0031-2 (0-7591-0031-4) | 2001 |