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... Many electricity utilities offer green Power which has been generated from renewable energy sources such as the sun, wind and water. GreenHeart Education shows how greening school facilities contributes ...
... such as the sun, wind and water. In order to make sure you make an informed decision then shop around by comparing your present supplier to other retailers who provide green power.  ...
... through a sunspace, solarium or solar closet. These areas may also be employed usefully as a greenhouse or drying cabinet. An equator-side sun room may have its exterior windows higher than the windows ...
Passive solar buildings aim to maintain interior thermal comfort throughout the sun''s daily and annual cycles whilst reducing the requirement for active heating and cooling systems. Passive solar building ...
... using sunlight through passive solar, active solar, and photovoltaic techniques and using plants and trees through green roofs, rain gardens, and for reduction of rainwater run-off. Many other techniques, ...
... List of manufacturers of Composting Toilets : Advanced Composting Systems LLC Biolet Biolytix Biosun Clivus Multrum Ecoflo Water Management Enviro Loo Envirolet Envirolet (Canada) MullToa Waterless Composting ...
... now used extensively. In 1996, Kenichi Horie made the first solar powered crossing of the Pacific Ocean, and the sun21 catamaran made the first solar powered crossing of the Atlantic Ocean in the winter ...
... subsequently be reacted with water to produce hydrogen. Sandia''s Sunshine to Petrol (S2P) technology uses the high temperatures generated by concentrating sunlight along with a zirconia/ferrite catalyst ...
A solar updraft tower (also known as a solar chimney or solar tower) consists of a large greenhouse that funnels into a central tower. As sunlight shines on the greenhouse, the air inside is heated, and ...
Concentrated sunlight has been used to perform useful tasks since the time of ancient China. A legend claims that Archimedes used polished shields to concentrate sunlight on the invading Roman fleet and ...
Sunlight can be converted into electricity using photovoltaics (PV), concentrating solar power (CSP), and various experimental technologies. PV has mainly been used to power small and medium-sized applications, ...
... brine solutions used in leach mining and removing dissolved solids from waste streams. Clothes lines, clotheshorses, and clothes racks dry clothes through evaporation. These devices use wind and sunlight ...
Solar cookers use sunlight for cooking, drying and pasteurization. They can be grouped into three broad categories: box cookers, panel cookers and reflector cookers. The simplest solar cooker—the box cooker ...
... plastic polyethylene terephthalate (PET) bottles sunlight for several hours. Exposure times vary depending on weather and climate from a minimum of six hours to two days during fully overcast conditions. ...
... buildings. Solar heating, cooling and ventilation technologies can be used to offset a portion of this energy. Thermal mass is any material that can be used to store heat—heat from the Sun in the case ...
Solar hot water systems use sunlight to heat water. In low geographical latitudes (below 40 degrees) from 60 to 70% of the domestic hot water use with temperatures up to 60 °C can be provided by solar ...
... 1832. In the 20th century artificial lighting became the main source of interior illumination. Daylighting systems collect and distribute sunlight to provide interior illumination; they are passive systems. ...
... rows and the mixing of plant varieties can improve crop yields. While sunlight is generally considered a plentiful resource, the exceptions highlight the importance of solar energy to agriculture. During ...
Sunlight has influenced building design since the beginning of architectural history. Advanced solar architecture and urban planning methods were first employed by the Greeks and Chinese, who oriented ...
... these variations. Solar technologies are broadly characterized as either passive or active depending on the way they capture, convert and distribute sunlight. Active solar techniques use photovoltaic panels, ...
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