-Energy costs already exceed hardware costs
-One PC is made from 1.8 tonnes of chemicals
-Computer parts are difficult to recycle
IBM Project Green
-2900 servers
-30 mainframes
-80% saving
Energy efficient coding
-Software coded to save as much power as possible.
-Energy efficient coding could cut down energy usage by 30%.
"The most energy efficient, emission reducing device ever created." CPU
Computers can
-Increase business efficiency
-Enable dematerialization
"Computing has already saved more natural resources that it has consumed" - Intel
Dematerialzation - Real objects replaced by digital things such as online music store instead of buying CDs
Audit of Technology
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Plan
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Purchasing strategy
- Laptops instead of PCs
-If PCs, thins clients
-Don't over-specify
-High-efficiency computer
Maintanence
*Set monitors to "low power" mode after inactivity
*Switch off computers and other equipment after hours
*Replace CRT monitors for LCDs
Switching off saves more power than putting things into sleep mode
Data Centres
-Highly efficient servers
-Virtual servers if possible
-Cool only whats needed
Recycling is extremely important in Green Computing and is often forgotten
The Computer's Core: The CPU and Memory
*The CPU: The Real Computer
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