Environmental Education Resources - Comprehensive directory of environmental educational resources for all audiences and age levels, from the Center for the National Institute for the Environment

Environmental Education Directory of New Zealand - Directory for sites about the environment including field studies and activities directed at influencing environmental concerns.

Environmental Education at EnviroLink - The EnviroLink Library contains hundreds of fully-searchable environmental education resources.

SEEK:Sharing Environmental Education Knowledge - Minnesota's interactive directory of environmental education resources lists events, curriculum resources, learning centers, and other resources.