CARS OF THE FUTURE

• Electrifying Times
• EVWorld.com
• Tailpipe Tally from Environmental Defense

FORESTS & FORESTRY

• American Forests
• EarthFirst! Journal
• Forest Conservation Portal
• Forests Forever
• RainforestWeb.org (Rainforest Action Network)
• USDA Forest Service

GLOBAL WARMING

• Climate Action Network
• Climate Ark
• HotEarth.net
• Kyoto Protocol (full text)
• Pew Center on Global Climate Change
• The Heat is Online
• Union of Concerned Scientists

• Commission for Environmental Cooperation (CEC)
• Institute for Agriculture and Trade Policy
• OECD's Multilateral Agreement on Investment Home Page
• Public Citizen Global Trade Watch
• World Trade Organization

URBAN SPRAWL

• Sierra Club Challenge to Sprawl Campaign
• Smart Growth Online
• The American Dream: Urban Sprawl (National Geographic)

WILDLIFE & ENDANGERED SPECIES

• Defenders of Wildlife
• enature.com
• The Endangered Species Act of 1973 (full text)
• National Audubon Society
• National Wildlife Federation
• WWF