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Green Computing


D.Sai Krishna Reddy , Saveetha School Of Engineering, Saveetha University


Green computing , storage devices, networking, communication systems, Environmental Protection Agency, Kyoto Protocol.


Green computing or green IT , refers to Environmental sustainable computing or IT. The study and practice of designing , manufacturing disposable computers, servers and associated sub – systems such as monitor, printers, storage devices and networking and communication systems efficiently and effectively with minimal or no impact on the environment. Green computing is the environmentally responsible use of computers and related resources. Such practices include implementation of energy- efficient central processing unit, servers, peripherals as well as reduced resource consumption and proper disposal of electronic waste. One of the earliest initiatives towards green computing in the United States was the voluntary labeling program known as Energy Star. It is conceived by the Environmental Protection Agency (EPA) in 1992 to promote energy efficiency in hardware of all kinds. The Energy Star label became a common sight especially in laptops and displays. Today’s PCs are so powerful that the vast majority of applications only use a small fraction of the computer’s capacity, it can be simultaneously shared by multiple users. Consumers 90% less energy per user PCs typically consume between 110 to 200 watt light bulb. A class room, computer lab, office with PC’s warms up very quickly. PC-filled work areas always have to be air conditioned. Air conditioners raise electricity cost & require large capital expenditures to buy, install and maintain them. Electronic waste is a large & growing problem throughout the world. On a broader scale, the Kyoto Protocol and The Climate Savers Computing Initiative (CSCI)-Global efforts to save the environment which require Active participation of governments, organizers and manufactures. The computers and peripherals draw significant amount of energy in sleep and standby modes. They contribute to harmful CO2 emissions. These days everyone seems to talk about global warming and ways to protect the environment. Unconsciously, all of us are contributing to unwanted CO2 emissions from house through careless use of our electrical devices. According to reports from the German Federal Environment Office, devices consume around 17 billion kilowatts hour (kWh) in a year when They are in standby mode. DVD players, DVD Recorders or even multifunctional printers continue to draw electricity because of the absence remote of an ‘OFF’ button. If you press the ‘Power Off’ on the remote, these devices go into standby mode. Windows Vista never shuts down or powers off the PC completely. The default shutdown mode is a deep sleep mode that requires power. Its only when you switch off the main switch at the back of the computer that power supply unit stops drawing power.

Other Details

Paper ID: IJSRDV2I3628
Published in: Volume : 2, Issue : 3
Publication Date: 01/06/2014
Page(s): 1458-1459

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