Green computing and energy efficiency

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  • heat pump

    A heat pump is a device that takes heat from one source and moves it to another location through electric or mechanical means. Heat pumps may be used either to heat or cool. Heat pump technologies include phase change, thermoelectrics, thermoacoustic... 

  • integrated solar

    Integrated solar is the inclusion of solar power technology as a part of original construction rather than as a separate module that is added later. Solar energy may be gathered thermally or through the use of photovoltaic cells. Integrated solar is ... 

  • geothermal cooling

    Geothermal cooling is a type of renewable energy system that moves heat from a building to below the earth’s surface, using the ground like a heatsink. Geothermal systems cool in much the same way that they heat, moving hot air through a geothermal h... 

  • Enterprise IT infrastructure in the age of cloud: A guide for CIOs

    In this Essential Guide, learn how the cloud and hybrid technologies are transforming enterprise IT infrastructure and the data center. 

  • geothermal energy

    Geothermal energy is renewable, clean power derived from the thermal energy in subterranean earth. The earth’s thermal energy is created by the decay of radioactive elements in the earth along with the heat from the sun and that remaining from the ea... 

  • carbon tax

    A carbon tax is a levy charged as a penalty for the emission of greenhouse gases, caused by burning hydrocarbons. Carbon taxes can be seen as a disincentive tax for the consumption of oil and gas energy. All fossil fuels, such as gasoline, natural ga... 

  • solar power

    Solar power is the use of the sun’s energy either thermally or through the use of photovoltaic cells in solar panels and transparent photovoltaic glass to generate electricity. Standard photovoltaic solar panels are the most efficient application of ... 

  • carbon negative

    Carbon negativity is the reduction of an entity’s carbon footprint to less than neutral, so that the entity in question has a net effect of removing carbon dioxide from the atmosphere rather than adding it. That achievement requires a more aggressive... 

  • carbon dioxide

    Carbon dioxide (CO2) is an odorless, non-flammable gas composed of one atom of carbon and two atoms of oxygen. Carbon dioxide is the bi-product of the combustion of fossil fuels and also of almost all living cellular respiration. 

  • green IT (green information technology)

    Green IT (green information technology) is the practice of environmentally sustainable computing.