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HEAnet: longitudinal study of Greenhouse Gas audits

This study examines the greenhouse gas audits conducted by HEAnet in 2008/09 and 2010/11, comparing the actions taken and drawing conclusions on their impact. Findings highlight the need for renewable energy sources and reduction of carbon footprints in core networks and data centers.

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HEAnet: longitudinal study of Greenhouse Gas audits

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  1. HEAnet: longitudinal study of Greenhouse Gas audits Mike Norris March 2012

  2. Agenda • About HEAnet • Strategy of the Green GÉANT team • GHG audit in 2008/09 • Actions taken • GHG audit in 2010/11 • Comparison • Conclusions

  3. About HEAnet: clients and users • 7 Universities • 15 Institutes of Technology • 7 other third level Colleges • 5 local education committees • 6 Colleges of Further Education • 9 research organisations • 12 other Organisations • User community of 200,000 + • All primary and secondary schools

  4. Fibre network, Aug 2011~2300 km

  5. HEAnet staff commute

  6. Audit strategy of Green GÉANT team • Use ISO 14064 standard • Carry out direct measurements where possible • Use categories & template developed by UNI•C • Independent validation of audit

  7. GHG audit, categories

  8. GHG Audit, 2008/09: total, 1765 tons of CO2 equivalent

  9. Actions taken • Office power, change to ‘greener’ supply • Staff environmental awareness day • Revise policy on school routers • Review commercial data centre practice • Maintain ‘green’ criteria in procurements • Increase usage of VC to replace travel • Agree to carry out audit of asset database • Poll staff for ideas

  10. GHG Audit, 2010/11: total, 2291 tons of CO2 equivalent

  11. Comparison of the two audits

  12. Normalise and compare

  13. Conclusions • Renewable mix of electricity has a real effect • Use of videoconferencing reduces travel • (So do the recession and budget cuts) • Schools 100Mbps project has significant effect • Client resilience project also increases Carbon footprint • Major increase in storage and server business has effect • Scope increasing as clients outsource more to HEAnet • Efficiencies can’t offset the absolute upward trend • Need for more renewable energy sources • Other ?

  14. By Sector Core networks and data centres/PoPs are the largest factors in network carbon footprints. So this is where the biggest reductions need to be made.

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