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Build It Solar will help people with Do It Yourself skills build solar projects that save money and reduce pollution. It is a "hands-on" site with detailed plans for solar projects including solar space heating, water heating, passive sola...

DIY Solar panel help, calculators, Free tutorials, design tools about Solar Power Systems, all using the free solar energy from the sun to produce electricity for energy independence.

Cleantech innovation: We are as gods, so we might as well get good at it.

SunriseSunset.com provides a free service that creates a custom calendar with sunrise, sunset and twilight times for any location around the world.

Find solar installers and solar energy contractors from the largest solar pro directory. Free solar estimator. Solar cost estimate. Estimate solar energy cost energy bill savings financial analysis of solar panels solar energy solar power system. Fin...

The U.S. DOE Energy Efficiency and Renewable Energy Web site provides information on energy efficiency and renewable energy technologies.

Learn the basics of a home photovoltaic system so you can design your own system. A tutorial, plus free guides and videos covering tax credits, loans, selling electricity, local solar companies, the latest technologies and industry news. Prese...

The NOAA Earth System Research Laboratory was formed to observe and understand the Earth system and to develop products, through a commitment to research that will advance the National Oceanic and Atmopsheric Administration