Renewable/Sustainable Energy

Midwest Renewal Energy Association
National Renewable Energy Laboratory
Renew Wisconsin
Solstice - Center for Renewable Energy and Sustainable Technology (CREST)

Solar Energy

El Paso Solar Energy Association
The Florida Solar Energy Center
Maine Solar House
Mr. Solar
Solar Energy Industries Association
The Solar Energy Network
The UK Solar Energy Society
Sunrayce - 1300 Miles of Solar-Powered Racing
The Solar BikeRayce USA
The PV Power Resource Site

Wind Energy

American Wind Energy Association