China Renewable Energy Information Network
http://www.crein.org.cn
Center for Energy Efficiency & Renewable Technologies
http://www.ceert.org
collaboration of major environmental organizations, public interest groups and clean technology companies working to achieve a more sustainable energy future. CEERT brings a unique alliance to the fight for cheaper, cleaner power.There are many articals about clean power,and there is clean power journal.
Energy Technology Data Exchange
http://www.etde.org
ETDE, a program of the International Energy Agency (IEA). Its mission is to collect and exchange energy research and technology information, which it does through ETDE's Energy Database,but only ETDE's member countries have access to the more than 3.8 million scientific and technical citations in the Energy Database.
National Renewable Energy Laboratory
http://www.nrel.gov
The nation's primary federal laboratory for renewable energy research and performs functions assigned by DOE in research, development and testing.
The Energy Outlet
http://www.energyoutlet.com
A resource center promoting electrical energy conservation,its new location is filled with interesting displays that show energy saving products and techniques,and there is much energy efficiency information for homeowners.
Energy Efficiency and Renewable Energy Network(U.S Department of Energy)