| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Envisioning a Sustainable Society: Learning Our Way Out | 978-0-7914-0163-7 (0-7914-0163-4) | 1989 |
| Learning to Think Environmentally While There Is Still Time: While There Is Still Time | 978-0-7914-2954-9 (0-7914-2954-7) | 1996 |