E E U U S S 6th international conference on Life Cycle - - PowerPoint PPT Presentation

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E E U U S S 6th international conference on Life Cycle - - PowerPoint PPT Presentation

Nov 16, 2022 172 likes •243 views

ONE TWO WE A programme for environmentally friendly canteen meals Niels Jungbluth Karin Flury, Genevive Doublet ESU-services Ltd, Zrich www.esu-services.ch E E U U S S 6th international conference on Life Cycle Management

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SLIDE 1

ONE TWO WE A programme for environmentally friendly canteen meals

6th international conference on Life Cycle Management Gothenburg, August 2013

Niels Jungbluth

Karin Flury, Geneviève Doublet ESU-services Ltd, Zürich

www.esu-services.ch

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SLIDE 2

LCA of meal preparation in canteens

Inventory of all food purchases worth more than 150 Mio. CHF GWP of all food purchases by Swiss canteen operator SV Group

  • Production of food much more important than preparation
  • Animal products dominate the results
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SLIDE 3

Improvement Options: Season calendar

Assessment of global warming potential Season calendar to assess monthly routes Main difference: heating greenhouse and air freight

kg CO2-eq per kg good

Jan Feb March April May June July Aug Sept Oct Nov Dec

Broccoli

CH-Lorry n.a. n.a. n.a. n.a. 0.6 0.6 0.6 0.6 0.6 0.6 0.6 n.a. ES-Lorry 7.2 7.2 0.9 0.9 0.9 n.a. n.a. n.a. n.a. n.a. 0.9 7.2 IT-Lorry 7.1 7.1 0.7 0.7 0.7 n.a. n.a. n.a. n.a. n.a. 0.7 7.1

Broccoli deep frozen CH-Lorry

0.7 0.7 0.7 0.8 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 CH-Lorry n.a. n.a. n.a. 1.5 1.5 1.5 n.a. n.a. n.a. n.a. n.a. n.a. ES-Lorry n.a. n.a. n.a. 1.7 1.7 1.7 n.a. n.a. n.a. n.a. n.a. n.a. PE-Air 12.8 12.8 n.a. n.a. n.a. n.a. 12.8 12.8 12.8 12.8 12.8 12.8

US-Flug n.a. 9.7 9.7 9.7 9.7 9.7 n.a. n.a. n.a. n.a. n.a. n.a.

Green asparagus

  • Several measures for reducing the carbon footprint
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SLIDE 4

Page 4 www.esu-services.ch

Congratulations to our customer SV Group winning the Zurich climate prize 2013

Further information at our poster or: http://www.esu-services.ch/projects/lcafood/onetwowe/

Thank you very much for your attention

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SLIDE 5

Cultivation in heated greenhouses State of the art

Average 90% of GHG emissions Heating modelled with light fuel oil Independent from product cultivated and region

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SLIDE 6

Cultivation in heated greenhouses Knowledge gap - Improvement

Fuel use?

Questionnaire to producers, statistics

Heating energy requirement?

Estimate heating energy requirement

  • sowing period
  • growing period,
  • minimal temperature
  • yield

harvest seed

Minimal T°C

Heating