search engines & directories
| 1Up Science Links Directory: Environment | Annotated links arranged in 21 categories |
| EcoEarth | News, information, annotated links. |
| Envirolink | extensive list of links. |
| InfoSurf: Environmental Studies | University of California, Santa Barbara. Find departments, organizations, environmental indexes & collections, plus information on a variety of issues. |
| Interactiva. | Annotated links arranged in 14 categories. |
| Virtual Library of Ecology and Biodiversity | Center for Conservation Biology. Searchable unannotated links. |
| World Rainforest Information Portal | Rainforestweb.org. News, information, annotated links, etc. |