Solar Panel

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Green-collar worker – Introduction

green-collar worker is a worker who is employed in the environmental sectors of the economy. Environmental green-collar workers (or green jobs) satisfy the demand for green development. Generally, they implement environmentally conscious design, policy, and technology to improve conservation and sustainability. Formal environmental regulations as well as informal social expectations are pushing many firms to [...]

Criticism of Google – Energy consumption

Google has been criticized for the high amount of energy used to maintain its servers. Google has pledged to spend millions of dollars to investigate cheap, clean, renewable energy, and has installed solar panels on the roofs at its Mountain View facilities. Google also recently invested 39 million dollars in wind power. Adapted from the [...]

Solar tracker – Introduction

solar tracker is a generic term used to describe devices that orient various payloads toward the sun. Payloads can be photovoltaic panels, reflectors, lenses or other optical devices. In standard photovoltaic applications trackers are used to minimize the angle of incidence between the incoming light and a photovoltaic panel. This increases the amount of energy [...]

Low-energy house – Low energy technology

Introduction Low-energy buildings typically use high levels of insulation, energy efficient windows, low levels of air infiltration and heat recovery ventilation to lower heating and cooling energy. They may also use passive solar building design techniques or active solar technologies. These homes may use hot water heat recycling technologies to recover heat from showers and [...]

Solar vehicle – Introduction

Adapted from the Wikipedia article Solar vehicle, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki

Eco investing – Eco Investing Sectors

There are several sectors that fall under the Eco investing umbrella. Renewable energy refers to both solar, wind, tidal current,wave and conventional hydro technology. This includes companies that build solar panels or wind turbines, or the raw materials and services that contribute to these technologies It also refers to Energy Storage – companies that develop [...]

KGO (AM) – Solar Power

Solar Power

In March 2008, solar panels were installed at KGO’s transmitter site in Newark, California to offset some of the power consumption during daytime hours. The effort is a testbed for Pacific Gas and Electric Company and is located near the Dumbarton Bridge. The solar system uses both CPV (SolFocus) and PV (Premier Power) arrays and [...]

Sun path – Collecting Solar Energy

Solar Energy

To effectively gather solar energy, a solar collector (glass, solar panel, etc.) should be within about twenty degrees either side of perpendicular to the sun. Also, shades need to be placed, so that the building does not warm up too much in summer and then thus requires cooling. The farther from perpendicular, the lower the [...]

Renewable energy in Asia – Solar Power By Country

Bangladesh In Bangladesh, a number of domestic solar energy systems are in use in houses around the country. The use of solar energy on this scale is advantageous as 75% of homes in the country do not have access to mains electricity. The World Bank is backing a programme of making solar energy available to [...]

Green vehicle – Types

Alternative Fuel Cars

Green vehicles include vehicles types that function fully or partly on alternative energy sources other than fossil fuel or less carbon intensive than gasoline or diesel. Another option is the use of alternative fuel composition in conventional fossil fuel-based vehicles, making them function partially on renewable energy sources. Other approaches include personal rapid transit, a [...]

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