| worldenergy.org | World Energy Council |
| solarenergy.org | Solar Energy International |
| eurosolar.org | European Association for Solar Energy |
| ises.org | Wire - The World-wide Information System For Renewable Energy |
| sourceguides.com | The Source For Renewable Energy |
| world-council-for-renewable-energy.org | Wcre - World Council For Renewable Energy |
| wind-power.com | The Wonderful World Of Renewable Energy |
| wntoolbar.com | Toolbar Presentation Page |
| crest.org | Renewable Energy Policy Project & Center for Renewable Energy and Sustainabl |
| nrel.gov | DOE: National Renewable Energy Laboratory (NREL) |
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