Keep Cool with a Solar Attic Fan

Solar powered attic fans are cool! Having worked in attics for many years installing solar water heaters I know all too well how hot they get. I've measured 140 degrees F! Most homes have manual roof vents, which allow some nominal air movement, but they can't keep up with the sun pounding down all day.

My Geothermal Home Sweet Home

My long and winding path through the selection of the best heating and cooling system began six months ago and culminated with the selection of a geothermal system, which is right for us for so many reasons.

Off-Grid Know How Connects Countryside to The Net

Wagner & Co is a leading provider of integrated solar thermal and solar electric systems solutions. Off -grid solutions were among the first solar electric applications and yet also developed into a particularly innovative field, where new technologies, approaches and combinations are being tested. Off-grid - or "Island" - systems, as they are also called, can be found in many new infrastructure projects.

Single Seat Volkswagen

You can go to Shanghai for a vacation, buy two or more of these cars, one for your wife and one for yourself, and one for each of your kids, have them shipped home and still spend less money than if you bought a car at home.

Solar Stock Update - July 31/09 - Dow's best month since Oct. '02

The Dow Jones Industrial Average recorded its best month in nearly seven years, posting an 882-point boost since Friday, July 3. In fact it was the best July for Wall Street in twenty years. Gains for the week for the Dow and NASDAQ were meager however, with both gaining less than a percent. The 20SSI decreased 5.8% from last week's close but the net gain since July 3 was nearly 22 points.

Solar-Powered Compactors Put the Squeeze on Trash Collection Costs

On April 30, 2009, Mayor Michael Nutter unveiled the first of 500 BigBelly solar-powered trash compactors and 210 companion single-stream recycling units to be installed throughout Center City Philadelphia. The solar compactors save time, money and fuel by reducing demand for collection trips. The compactors are also smart trash receptacles: each unit sends a wireless signal to alert staff when it is full, so managers can optimize collection routes in real time based on data from every machine in the field.

Superconductor Electricity Pipelines: An Optimal Long-Haul Transmission Solution

While the United States is rich in renewable resources for the production of green electricity, expansion and modernization of the North American power grid will be required to transmit that power to where it is needed.

Technical Due Diligence of the Fuhrländer 1.5 MW Wind Turbine

AAER Wind Energy have partnered with Fuhrländer to manufacture the Fuhrländer 1.5 MW wind turbine on a license in Canada. To identify and minimize technical risks in the process of buying 1.5 MW wind turbines manufactured by AAER, Sky Power Corp, Canada's leading independent renewable energy company awarded the contract to SGS to carry out Technical Due Diligence for the wind turbine technology.

The Cutting Edge of Sustainable Home Design

One university's quest to revolutionize the built environment.

The Many Faces of Green in Architecture

Much is made these days of attaching the word œgreen to products and/or buildings as a means of promoting a product or building in the market place even though the greenness or sustainability may be tenuous at best. I believe it is timely to make clear and to discriminate as to just exactly what do we really mean when we refer to a building as being green as well what kind of green are we referring to. We are all not talking about the same green therefore I wish to examine what I see as the main categories of œgreen.

Using Smart Technology to create a RealGreenHome

In 2005 I swapped a perfectly good town house on 198sq m of land for 5400 sqm of land of œvalley Grassey Forest vegetation. This block some 22 km from the centre of Melbourne Australia (Australia's 2nd largest city) was going to be perfect for my growing family.

Oakajee steel mill in Western Australia must be powered by renewables.

Reports this week that the Chinese steelmaker, Ansteel, may build WA's first steel mill at the Oakajee industrial park outside Geraldton have been welcomed by the Western Australian Sustainable Energy Association Inc. (WA SEA).

AMSC Accelerates Shipments of Wind Turbine Components Under Amended Sinovel Supply Contract

- 36-Month Delivery Schedule Reduced to 28 Months to Meet Increased Demand for Sinovel's 1.5 Megawatt Wind Turbines - Sinovel Upgrades to PowerModule' PM3000W Power Converters - Total Contract Value Increased to More Than $470 Million

SGS Exhibits at the EOW 2009 in Stockholm, Sweden

SGS Competence Center for Wind Energy is one of the exhibitors at the EOW - European Offshore Wind 2009 Conference and Exhibition in Stockholm, on September 14-16, 2009. Meet us at Stand no. B0921.

Venture Capital Gets Back In The Cleantech Game

Venture capitalists increased investments in alternative energy by 73 percent over the past three months, according to a report issued Wednesday , an indication that the horrible market conditions from earlier this year may have abated. Investors are also be growing more confident because the government is making good on promises to try to shift the national energy policy more toward wind, solar and other renewable technologies. Venture capital investment totaled $572 million in the second quarter, according to Ernst & Young LLP.

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Solar & Wind - Featured Product

Kipp & Zonen - Smart SMP Pyranometers

Kipp & Zonen - Smart SMP Pyranometers

Equipped with an extremely low power, smart interface the Smart SMP pyranometers offer industry standard digital and amplified analog outputs within the well-known CMP series housings. The output range is programmed so that all SMP pyranometers have identical sensitivities, allowing easy installation and exchange for recalibration. Serial communication allows access to measurement data, instrument status, operating parameters and calibration history. Building on the proven CMP Series design and technology that is used around the world, the new SMP pyranometers add digital signal processing and interfaces optimised for industrial data acquisition and control systems.