Alternative Fuels Data Center offers information on using alternative fuels for powering vehicles.  It includes a database of commercially available alternative-fuel vehicles.

Amazing Environmental Organization Web Directory

This is the largest exclusively environmental organization directory on the Web. It  includes topically-organized sites from over 100 countries.  There is also a search engine for digging deep into the layers of the directory.

Distribution of Forests

This site details the distribution of forests throughout the world .  It includes details on the geography of the region, the forest cover, plantations, fires, and trees outside of forests.

Earth Trends

Earth Trends is an environmental information portal that examines coastal and marine ecosystems, water resources and freshwater ecosystems, climate and the atmosphere.  Other issues covered are population, health, human well-being, economics, business and the environment, energy and resources, biodiversity and protected areas, agriculture and food, forests, grasslands, and environmental governance.

Environmental News Network

The Environmental News Network offers timely environmental news, chats, interactive quizzes, daily feature stories, forums for debate, audio and video on the condition of the earth's environment.

Grand Challenges in Environmental Sciences

Grand Challenges in Environmental Sciences is an online book that tries to identify and describe eight important areas of environmental research for the next generation:  biogeochemical cycles; biodiversity and ecosystem functioning; climate variability; hydrologic forecasting; infectious disease; the environment; institutions and resource use; land-use dynamics; and reinventing the use of materials.

Household Products

"Household Products provides information about ingredients in brand-name products such as household cleaners, detergents, pesticides, auto products, personal care products and much more."

National Environmental Directory

"A directory of more than 13,000 organizations in the United States concerned with environmental issues and environmental education."

Natural Resources Defense Council

The Natural Resources Defense Council is a national organization that strives to educate people to the need to protect the environment.  It contains sections on clean air and energy, global warming, clean waters and oceans, wildlife and fish, parks, forests and wildlands, toxic chemicals, and nuclear weapons.

Planet Ark

Planet Ark offers environmental articles and photographs from around the world but mainly focusing on Australia.

Wild World

Wild World offers maps that showcase the Earth's richest, rarest and most endangered areas in "Global 200."  It also displays maps and information for all 857 land-based ecoregions on the planet in "Terrestrial Ecoregions of the World."

Tox Town

"An introduction to toxic chemicals and environemental health risks you might encounter in every day life, in everyday places.

Toxics Release Inventory

Toxics Release Inventory allows you to search for information on the release of toxic chemicals into the environment in a specific community.