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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 efficiently and
effectively with minimal or no impact on the environment.
It is an environmental friendly IT where the main
objective is to reduce the hazardous materials and
maximize the energy efficiency .
Why is Green Computing
•Computer consumes a lot of energy.
•Printing often unnecessary stuff is waste
•Reduce the power consumption
•reduce the global warming
•It originated in 1992 at the U.S Environmental Protection
Agency that launched Energy Star program.
•Shortly after that the term “Green Computing” was
•Shortly after that the Swedish also launched the TCO
Road to Green Computing
CPU uses 120 Watts
CRT uses 150 Watts
Energy use comes from
o electrical current to run the CPU, motherboard,
orunning the fan and spinning the disk(s)
omonitor (CRTs consume more power than any
other computer component)
Carbon Free Computing
Methods to implement Green
•Turn off the computer when not in use, even if just
for an hour
•Turn off the monitor when not in use (as opposed
to running a screen saver)
•Use power saver mode
•Use LCDs instead of CRTs as they are more
•Use hardware/software with the Energy Star label
•Choose Intel & VIA Processors in comparison to
Reducing the energy consumption
Green with Yahoo!
Greener Firefox Surfing
Other Green Surfing Efforts
•Environmentally Sound Purchase
•Sustainable Green Computing Plan
•Reduce Paper Consumption
Steps For Green Computing
Cost-effective ( pays over time )
Save more money per year
Can give you a tax right off
High start up cost
Not readily available
Still in experimental stages
Sacrifice performance for battery life
Not for everyone
The plan towards green IT should include new
electronic products and services with optimum
efficiency and all possible options towards
energy savings. That is enterprise wise
companies are laying emphasis on moving
towards Eco Friendly Components in Computers,
the use of eco-friendly sustainable components
will become the norm rather than the exception in
Future of Green Computing
The greenest computer will not miraculously fall
from the sky one day, it’ll be the product of years
of improvements. The features of a green
computer of tomorrow would be like: efficiency,
manufacturing & materials, recyclability, service
model, self-powering, and other trends.
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