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The ocean harbors abundant energy in the form of wind, waves and sun. All of these could be sampled on something called an Energy Island: a floating rig that drills for renewables instead of petroleum.

In a move that will bring thin-film solar panels to the U.S. residential market, First Solar has signed a deal to provide installer SolarCity with 100 megawatts' worth of solar arrays over the next five years. First Solar is also investing $25 million into SolarCity, the Silicon Valley startup backed by Tesla Motors founder Elon Musk. This is First Solar's initial foray into the home market - and apparently the first of any thin-film solar module maker. Thin-film solar panels are made by depositing solar cells on sheets of glass or flexible material and use little of the expensive silicon that forms the heart of more bulky conventional solar modules. That makes thin-film panels cheaper, although they are less efficient at converting sunlight into electricity. And thin is in for homeowners who prefer less-obtrusive panels on their roofs.

Researchers at Ohio State University have accidentally discovered a new solar cell material capable of absorbing all of the sun's visible light energy. The material is comprised of a hybrid of plastics, molybdenum and titanium. The team discovered it not only fluoresces (as most solar cells do), but also phosphoresces. Electrons in a phosphorescent state remain at a place where they can be "siphoned off" as electricity over 7 million times longer than those generated in a fluorescent state. This combination of materials also utilizes the entire visible spectrum of light energy, translating into a theoretical potential of almost 100% efficiency. Commercial products are still years away, but this foundational work may well pave the way for a truly renewable form of clean, global energy.

A New Jersey company said on Tuesday it will invest $20 million over three years to develop an underground compressed-air storage system for wind turbines and other power sources, a sign of growing confidence in the technology. Energy Storage and Power is a joint ventured formed by energy developer PSEG Global and Michael Nakhamkin, who designed the only compressed air-storage facility in the U.S.

We also believe that people make better choices when they have information to help them, especially if the information is easy to understand and easy to find. Determining the greenness of a product can be a complex task; to form an accurate picture, the following kinds of questions must be answered: * The materials within the product: Are they harmful to the environment? Where were they sourced, and at what environmental cost? Are they renewable resources? Are the materials recycled? How much transportation is involved in getting the materials to the manufacturer? * The manufacturing process: How much energy was consumed in creating the product? What kind and how much waste is created in making the product? Is this waste reused in any way? If not, how is it disposed? * Product usage: Does using the product release any pollutants into the environment? How much energy is consumed while using the product? What is the average life expectancy of the product? * Product disposal: Can the product be recycled? Does the manufacturer have a recycling program? Is the product bio-degradable? Considering all these factors is enough to make anyone's head spin! That's why Greener One created a way for people to compare products on an environmental basis and to share product information with one another. A variety of factors for each product are converted into a simple "green index" score that can be easily understood by anyone. How Green Index is Calculated Greener One was created by a group of technology veterans committed to the idea that people who are empowered with information can change the world. We put the tools in your hands to make the right decisions, to share your knowledge and to open conversations with companies about the products that they produce. Everything you consume has an impact; Greener One gives you the knowledge to determine the size of your environmental footprint.

A community in Canada has an unusual form of solar power that can provide over 90% of the annual heating and hot water needs for the homes, despite being situated in a cold Alberta location where winter temperatures can reach -33 degrees C (-27 F). The Drake Landing Solar Community collects solar energy in a heat storage fluid through an array of solar panels on the roof of each home and covering all of the garages at the back of each home. The heated fluid is transferred to a neighborhood energy center, and then into the ground beneath an insulated layer, where the heat is stored in the earth.

The government plans to announce policy measures aimed at halving the price of solar power generation in the next three to five years as part of its action plan on greenhouse gas emissions, government sources say. According to the sources, the measures will form part of an action plan designed to bring about a 60 percent to 80 percent cut in carbon dioxide emissions by 2050 and thereby create a low carbon-emission society.

The jury is still out on whether hydrogen will ultimately be our environmental savior, replacing the fossil fuels responsible for global warming and various nagging forms of pollution. Two main hurdles stand in the way of mass production and widespread consumer adoption of hydrogen "fuel cell" vehicles: the still high cost of producing fuel cells, and the lack of a hydrogen refueling network.

More than 100,000 people attend; a testament to the popularity of sustainable building and renewable energy in the region. by Michael Fell Wels, Upper Austria [RenewableEnergyWorld.com] Last week saw the return of the World Sustainable Energy Days conference which is held every year in Wels, Upper Austria. Taking place over three days (plus a day of site visits), the conference has three main streams: the European Pellet Conference, the European Energy Efficiency Conference and Regional Biomass Action Plans. Austria is an apt location for the conference - along with Sweden it is well known as one of Europe's biggest users of pellet technology - and as the final remnants of this year's snow melted away it is plain to see why. With cold winters and real enthusiasm for efficient and sustainable building, the demand for renewable heat is strong. The country is also highly forested, providing ample raw material for pellet production in the form of sawdust and wood shavings from sawmills (along with other biomass waste).

Google PowerMeter tracks the energy usage of all the appliances in your home and sends it in the form of a graph to you igoogle account.

The National Clean Energy Project was formed to promote a dialogue on how to deal with the energy crisis and hopefully get to a clean energy based society.

PERC--the Property and Environment Research Center-is the nation's oldest and largest institute dedicated to improving environmental quality through markets and property rights. Research is at the heart of PERC's work followed by outreach and education. Formed more than 25 years ago, PERC applies economic thinking to environmental problems. Located in Bozeman Montana, PERC pioneered the approach known as free market environmentalism (FME).

PERC--the Property and Environment Research Center-is the nation's oldest and largest institute dedicated to improving environmental quality through markets and property rights.

In February, President Obama called for a doubling of the US renewable energy capacity within three years. Yesterday, Obama visited a wind energy company in Newton, Iowa and again emphasized the importance of new forms of power generation: "Now, the choice we face is not between saving our environment and saving our economy. The choice we face is between prosperity and decline. We can remain the world's leading importer of oil, or we can become the world's leading exporter of clean energy." vote nowBuzz up! With billions in stimulus dollars heading toward improving the electricity grid and building sustainable energy infrastructure, emission-free power may be coming to your neighborhood sooner than you think. Here are five of the biggest, most ambitious projects that are in the pipeline, both in the US and elsewhere.

A hydrogen plant is a type of gas plant. Gas plants take gasses and turn them into a useable form.

Technology Review has an article on thin film solar vendor Xunlight's approach - making cells on flexible steel sheets - Roll-Up Solar Panels. Xunlight, a startup in Toledo, Ohio, has developed a way to make large, flexible solar panels. It has developed a roll-to-roll manufacturing technique that forms thin-film amorphous silicon solar cells on thin sheets of stainless steel. Each solar module is about one meter wide and five and a half meters long. As opposed to conventional silicon solar panels, which are bulky and rigid, these lightweight, flexible sheets could easily be integrated into roofs and building facades or on vehicles. Such systems could be more attractive than conventional solar panels and be incorporated more easily into irregular roof designs. They could also be rolled up and carried in a backpack, says the company's cofounder and president, Xunming Deng. "You could take it with you and charge your laptop battery," he says.

If a battery is used for many days, sulphite crystals form on the battery plates and it disrupts the flow of electricity. It may also happen when the battery is in a discharged or abused state.