Comparing corporate performance on climate change – what metrics? Dr. Craig Mackenzie Director,...
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Comparing corporate performance on climate change – what metrics? Dr. Craig Mackenzie Director, Carbon Benchmarking Project University of Edinburgh Business School
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Transcript of Comparing corporate performance on climate change – what metrics? Dr. Craig Mackenzie Director,...
Comparing corporate performance on climate change – what metrics?
Dr. Craig MackenzieDirector, Carbon Benchmarking Project
University of Edinburgh Business School
The scope for low cost reductions
Source: Vattenfal
Breakdown of the Tesco footprint
Add note on fridge energy?
Refrigeration
Tesco CSR Report 2007
Direct CO2e emissions
Total UK Carbon Emissions
0
500,000
1,000,000
1,500,000
2,000,000
2,500,000
Somerfield Cooperative Waitrose Marks &Spencer
Sainsburys Morrisons Asda Tesco
Ton
nes
CO
2e
No Data
Relative carbon intensity?
Carbon intensity (tonnes CO2e/£turnover)
0
20
40
60
80
100
120
Somerfield Sainsburys Marks &Spencer
Tesco Cooperative Waitrose Asda Morrisons
CO
2e/£
turn
over
NB: this slide does not give an accurate comparison of performance
No Data
Meaningful comparison?
Carbon intensity (CO2e/£tunover)
0
20
40
60
80
100
120
Somerfield Sainsburys Marks &Spencer
Tesco Cooperative Waitrose Asda Morrisons
CO
2e/£
turn
over
NB: this slide does not give an accurate comparison of performance
Food processing
business
Foodnon-food
split
Food-non-food
split
Foodnon-food
split
Use of biodiesel
Green tariffelectricity
Green tariffelectricity
Data estimated
Data incomplete
No Data
Add note on fridge energy?
Refrigeration
Tesco CSR Report 2007
An alternative strategy
% f-gas leakage pa
KWh/linear meterof refrigeration
Diesel litres/pallet delivered
Average store energy rating
% electricity from renewables weighted for additionality
Wider implications
Benchmarking needs:
• Better data quality• Sharper standards• Segmental carbon reporting• Identification and reporting on normalisation factors• Avoiding carbon reductionism• Activity-specific metrics• Activity/sector-specific reporting standards
• Collaborative sector/activity projects to define the above
