Green Computing

Green Computing

Computers are a part of our everyday life. At this point, who could imagine living without them? However, just like many modern technologies, computers’ impact on our lives is not always positive. As many of you know, improper use and disposal of computers are a major source of pollution and energy consumption. Please take a minute to learn ways you can reduce your computer’s impact on the environment.

In addition to the information provided below by IUTS, visit Climate Savers Computing for green computing advice.

1. Be sure to shut down

Turn off peripherals, such as printers, scanners, speakers, external drives, and gaming systems, when not in use.

Note: At Indiana University, computers in campus offices may be set to receive updates while you are not using your computer; check with your local support provider (LSP) for options before changing your current practices. Ask if your area’s computers are equipped with the Go Green Reporting Service and Gadget

2. Choose a laptop

 Laptops typically consume less power.

3. Enable power management

Use power management settings, available on most new computers. Power management settings determine when the computer and monitor shut off, or go into sleep or hibernate modes, which use less power than regular operating mode. See In Windows 7, Vista, or XP, how do I change the power management settings? Or In Mac OS X, how do I change the power management settings?

Note: Power management settings are different from screen savers. Screen savers use more energy than allowing the monitor to go black, and are unnecessary on all but very old monitors.

4. Only purchase energy-efficient equipment

Visit for environmentally friendly purchasing guidelines.

5. Use a power strip

Fight phantom power, the power electronics use when they are in standby mode, which accounts for up to 10% of the power electronics use. Plug electronics into one power strip & turn the strip off when you are finished.

6.  Proper disposal

Electronic equipment, such as computers, monitors, and some other peripheral devices, frequently contains toxic materials such as lead and mercury; thus, you should never throw old computers in a landfill. For proper disposal, contact IU Surplus for information on their  E-Waste program.


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