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Calculating carbon from travel David McGuigan

Calculating carbon from travel David McGuigan. Key travel areas. commuting to work/study by staff and students other non-commuting staff and student travel fleet travel (eg estates management, mail runs). Why calculate carbon emissions?. to provide baseline information

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Calculating carbon from travel David McGuigan

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  1. Calculating carbon from travel David McGuigan

  2. Key travel areas • commuting to work/study by staff and students • other non-commuting staff and student travel • fleet travel (eg estates management, mail runs)

  3. Why calculate carbon emissions? • to provide baseline information • to allow for effective travel planning • to allow for monitoring effectiveness of measures by repeat surveys

  4. How to calculate carbon emissions • survey of staff and students on commuting • disaggregate by campus/department • ask about usual one-way trip to work/study • ask about attendance • ask about travel mode(s) • ask about distances • ask anything else you want

  5. The calculation • calculate one-way carbon emission for each mode used: distance * emission rate • add the emissions for each mode • double for daily emissions • annualise using attendance information

  6. Sample of carbon emission rates

  7. Growthing up • relate responses to populations • calculate growth factor (ideally disaggregated by campus and status of respondent) • add growth factor as a new field to each individual survey record • sum growth factors to create carbon footprints for whole college/university and other disaggregations

  8. Example of growth factor calculation

  9. Sample of carbon emissions by campus

  10. Web-based surveys • are less expensive • avoid routeing errors • allow immediate feedback to respondent • encourage better response rates for some survey types/respondents • are more environmentally friendly

  11. Example Survey

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