American Solar Energy Society - nonprofit organization dedicated to increasing the use of solar energy, energy efficiency, and other sustainable technologies in the U.S.

Green Energy TV - Online Channel dedicated to airing Green, Alternative, Renewable, Clean Energy videos.

Green-e - News, programs & products. Goal is to bolster customer confidence in the reliability of retail electricity products reflecting renewable energy generation. Provide customers with information about retail green electricity products to enable them to make informed decisions to reduce greenhouse gas emissions.

DOE Energy Efficiency - Covers: Alternative Fuels, Buying Green Power, Heat Pumps, Solar Heating, geothermal technologies, Tankless Water Heaters, Wind Resource Maps, biomass & hydrogen fuel cells.

Green Energy - Covers: Human, Animal, Solar, Wind, Geothermal, Hydro, Wave, Hydrogen, Biomass Biogas & Kinetic energies. Piezoelectric Crystal, Natural Gas & Electrokinetics.

American Wind Energy Association - Goal is to promote wind power growth through advocacy, communication, and education. News, events, policy, legislation, publications & other wind resources.

Green Energy News - Green buildings, ground source, geothermal heating, lighting & solar thermal heating, conventional efficient HVAC. Biodiesel, biomass, ethanol, hydrogen, methane, methanol, natural gas, propane, proprietary fuels & waste-to-energy. Global warming - climate change & pollution. Government grants, initiatives, mandates, policy, programs, research studies & tax incentives. Fuel cell, geothermal, renewable energy, programs, hydro, solar photovoltaic, solar thermal, wind energy & storage devices, flywheels & pumped storage. Air transport, bus, rail, intelligent transportation systems. Electric, fuel cell, hybrid & associated power-train vehicles.

Solar Energy - Teaches individuals how to design, install & maintain renewable energy systems & how to design and build efficient, sustainable homes.

Wikipedia - The online encyclopedia's information on green energy: The term Green energy is used to describe sources of energy which are considered environmentally friendly and non-polluting.

Green Energy Choice - Source for Green Energy News and Tips. Information on Switching to Green Energy and how to offset your energy usage, purchase renewable energy credits & calculate your energy usage.