Energy Crossroads

This energy resource collection is sponsored by the Lawrence Berkeley National Laboratory. It currently lists more than 400 Web sites in more than a dozen categories, including:

• energy-efficiency publications
• green buildings
• major conservation programs and initiatives
• university-based energy activities

Global Energy Marketplace (GEM)

Sponsored by the U.S. Environmental Protection Agency, GEM is a searchable database of more than 2,500 energy-related Web sites. Includes ReInState, a state-specific list of energy resources (with a list of California resources).