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INTRODUCTION
“We can’t live without computers ,
so lets learn how to live with them
in a way that makes them
friendlier to the environment”.
GOALS OF GREEN COMPUTING
Reduce the use of hazardous materials in the manufacturing of the
systems.
Maximize energy efficiency during the product’s lifetime, and
Encourage recyclability and biodegradability of products that have
reached end-of-life
CONTENTS
•What is Green Computing?
•History.
•Why Green Computing?
•Approaches to Green Computing.
•How to reduce energy conception?
•E-Waste & Solutions.
•Conclusion.
What is Green Computing?
Green computing, green IT or ICT Sustainability, is the study and
practice of environmentally sustainable computing or IT.
Includes “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 Computing is “ Where organizations adopt a policy of ensuring
that the setup and operations of Information Technology produces the
minimal carbon footprint” .
HISTORY
In 1992, the U.S. Environmental Protection Agency launched Energy Star.
It’s a voluntary labeling program that is designed to promote and
recognize energy-efficiency in monitors, climate control equipment, and
other technologies.
In 2012 alone, American families and businesses have saved $24 billion on
utility bills.
Prevented greenhouse gas emissions equal to those from 41 million
vehicles.
Need Of Green Computing
❖ Increasing impacts on Nature.
➢ Toxicity.
➢ Pollution.
❖ Computer energy is often wasteful..?
❖ Printing is often wasteful?
E - WASTE
Electronic waste or e-waste describes discarded
electrical or electronic devices
How e-waste are harmful to human
health and the environment?
How e-waste are harmful to human
health and the environment?
Computer energy is often wasteful..?
Printing is often wasteful
• 1 ton of office paper uses 24 trees.
• 1 ton of recycled paper saves 17 trees.
Approaches to Green Computing.
Green Use Of IT
● Save Energy
Shutdown / Sleep / Hibernate Your Computer when not in use.
● Use Power Saving Modes.
● Use LCD monitors.
● Use Laptops.
● Use hardware/ software with energy star label.
● Save Paper when Printing.
GREEN USE
Advanced Configuration and Power
Interface (ACPI)It is an industry specification for the efficient
handling of power consumption in desktop and
mobile computers.
Advantages :1. The user can specify at what time a device, such as a display
monitor, is to turn off or on.
2. The operating system can lower the clock speed during times
when applications don't require the full processor clock speed.
3. The computer can enter a stand-by mode when no one is using it,
but with modem power left on to receive incoming faxes.
VIA TechnologiesTaiwanese company that manufactures motherboard
chipsets, CPUs, and other computer hardware,
introduced its initiative for “green computing” in 2001.
Solar ComputingA solar-powered laptop is a notebook computer that uses built-in photo voltaic solar panels to run and recharge its battery.
Lead free and RoHS ComputingDirective on the restriction of the use of certain
hazardous substances in electrical and electronic
equipment(Mercury, Cadmium, Hexavalent Chromium, etc).
Energy efficient computingGone are the days when computer designers strived to
create faster and more powerful processors. Now,
winning products focus on power-efficiency.
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