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Green computing

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Green computing or green IT, refers to environmentally sustainable computing or IT. It is "the study and practice of designing, manufacturing, using, and disposing of computers, servers, and associated subsystems—such as monitors, printers, storage devices, and networking and communications systems—efficiently and effectively with minimal or no impact on the environment. Green IT also strives to achieve economic viability and improved system performance and use, while abiding by our social and ethical responsibilities. Thus, green IT includes the dimensions of environmental sustainability, the economics of energy efficiency, and the total cost of ownership, which includes the cost of disposal and recycling. It is the study and practice of using computing resources efficiently." [1].


With increasing recognition that man-made greenhouse gas emissions are a major contributing factor to global warming, enterprises, governments, and society at large now have an important new agenda: tackling environmental issues and adopting environmentally sound practices. Greening our IT products, applications, services, and practices is both an economic and an environmental imperative, as well as our social responsibility [2]. Therefore, a growing number of IT vendors and users are moving toward green IT and thereby assisting in building a green society and economy.


[edit] Pathways to Green Computing

To comprehensively and effectively address the environmental impacts of computing/IT, we must adopt a holistic approach and make the entire IT lifecycle greener by addressing environmental sustainability along the following four complementary paths:


  1. Green use — reducing the energy consumption of computers and other information systems as well as using them in an environmentally sound manner
  2. Green disposal — refurbishing and reusing old computers and properly recycling unwanted computers and other electronic equipment
  3. Green design — designing energy-efficient and environmentally sound components, computers, servers, cooling equipment, and data centers
  4. Green manufacturing — manufacturing electronic components, computers, and other associated subsystems with minimal impact on the environment


[edit] Reducing Energy Consumption

The following are some of the ways to make your Computer more environmentally friendly.

Modern Computers are power hungry things. There are many things we can do to reduce the amount of power they use. As a General rule laptops use less than Desktops, and LCD (Flat screens) Screens use less than CRT (big fat screens).


Suggestions for your current PC

[edit] Suggestions for Buying a New PC


References

 1.  San Murugesan, “Harnessing Green IT: Principles and Practices,” IEEE IT Professional, January-February 2008, pp 24-33.

 2.  San Murugesan,"Going Green with IT: Your Responsibility Toward Environmental Sustainability." Cutter Consortium Business-IT Strategies Executive Report, Vol. 10, No. 8, August 2007



External Resources

the social and environmental impact of computers]

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