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This is a fairly radical view point and one I do not subscribe to personally but it does pose some interesting questions. Without doubt the majority of parents view their children as a wonderful blessing ...
... ; Air conditioning systems with remote controls; Devices which turn on via a remote control; Devices that go into standby mode, standby lights, standby indicator or clocks;  Power adapters that are plugged ...
... have been designed for a purpose and by not using them you run the risk of damaging or destroying plant life and other creatures   Offset you air-flight travel with carbon credits. Many airlines are starting ...
... possible. If air conditioning is used, make sure all windows and doors (where applicable) are closed in order to reduce the loss of heated or cooled air. Switch off air conditioning after hours. An average ...
... gain Isolated gain involves utilizing solar energy to passively move heat from or to the living space using a fluid, such as water or air by natural convection or forced convection. Heat gain can occur ...
... air temperature, mean radiant temperature, air movement (wind chill, turbulence) and relative humidity (affecting human evaporative cooling). Heat transfer in buildings occurs through convection, conduction, ...
... flushing). It may also be used in dwellings when the ''greywater'' (e.g. from rainwater) is already fairly clean to begin with and/or has not been polluted with non-degradable chemicals such as soaps (thus ...
... productivity and using less energy and water, 2) improved public and occupant health due to improved indoor air quality, and 3) reduced environmental impacts by, for example, lessening storm water runoff ...
... the people''s food requirements and/or energy requirements. Some composting toilets use electricity, and some electrical systems use fans to exhaust air and increase microbial activity. Others require ...
... levels of biological organization (e.g. wetlands, prairies, forests), human organization (e.g. ecovillages, eco-municipalities, sustainable cities) and human activities and disciplines (e.g. sustainable ...
... to unmanned aerial vehicles (UAV) with the Pathfinder (1997) and subsequent designs, culminating in the Helios which set the altitude record for a non-rocket-propelled aircraft at 29,524 metres (96,860 ft) ...
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 ...
... Energy Project (STEP) in Shenandoah, Georgia, USA where a field of 114 parabolic dishes provided 50% of the process heating, air conditioning and electrical requirements for a clothing factory. This grid-connected ...
In the United States, heating, ventilation and air conditioning (HVAC) systems account for 30% (4.65 EJ) of the energy used in commercial buildings and nearly 50% (10.1 EJ) of the energy used in residential ...
... They directly offset energy use by replacing artificial lighting, and indirectly offset non-solar energy use by reducing the need for air-conditioning. The use of natural lighting offers physiological ...
... annual benefits of US$530 million from reduced air-conditioning costs and healthcare savings.  ...
... pumps, and fans to convert sunlight into useful outputs. Passive solar techniques include selecting materials with favorable thermal properties, designing spaces that naturally circulate air, and referencing ...
... A range of experimental solar vehicles provide ground, air and sea transportation. Energy from the Sun The Earth receives 174 petawatts (PW) of incoming solar radiation (insolation) at the upper atmosphere. ...
... into two groups: Active solar heating uses pumps which move air or a liquid from the solar collector into the building or storage area. Passive solar heating does not require electrical or mechanical equipment, ...
... friction and rolling resistance, can save gasoline. Fuel economy can be improved over three percent by keeping tires inflated to the correct pressure. Replacing a clogged air filter can improve a cars ...
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Taxonomy by Zaragoza Online