Transcript Sustainable ICT Applications Winner: Braintree District

THE SUSTAINABLE DESKTOP
– AN OVERVIEW
Professor Peter James
www.susteit.org.uk
A LARGE ICT FOOTPRINT
• 2% of global CO2 emissions
• ICT in UK HE
- 760,000 PCs
- 215,000 servers
- 147,000 networked printers
- 512,000 Mwh of electricity
- 275,000 tonnes of CO2
- over £60 million in 2009
325,000 Coal-Powered Computers
A LARGE FOOTPRINT
Transport
Manufacture
Materials
Disposal
Use
DESKTOP LIFE CYCLE IMPACTS
16000
Total Energy (MJ)
14000
12000
10000
Production
8000
Distribution
6000
Use
End of life
4000
2000
0
-2000
Desktop
Laptop
CRT
LCD
WHY IT MATTERS TO HE
• Corporate responsibility
• Cost
- 50 to 100% rise in electricity prices?
• Carbon
- growing regulation
- Carbon Reduction Commitment
• Curriculum and research
POTENTIAL MEASURE BY IT?
Short Term
• Specifying lower
power equipment
• Automatic powerdown
of networked devices
• Powering down nonnetworked computers
• Extending longevity
• Modifying data centre
layout
Medium Term
• Increasing computer
CPU utilisation
• Virtualisation
• Minimising storage
• Thin client in
specialised
applications
CROSS-FUNCTIONAL MEASURES
Short Term
Medium Term
• Powerdown of non
networked devices
• Upgrading data centre
power supply
arrangements
• Increasing use of
videoconferencing
• Maximum use of thin
client where effective
• Free cooling of data
centres
• Effective document
and print management