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Environmental impacts of
food production and consumption
1mi1 Expert talk series
Online presentation of applying LCA in policy making
12.5.2016
Niels Jungbluth ESU-services Ltd, Zürich
www.esu-services.ch
USE USE
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Overview of themes
• ESU-services Ltd.
• Impacts and reduction potentials for food
consumption
• ESU-database
• LCA of chocolate
• Life cycle management for canteens
• LCA tool for SME’s
• Food losses in LCA www.esu-services.ch Page 2
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ESU-services Ltd.
• Founded in 1998 as an ETHZ spin-off
• 3 co-workers
• Long time experience since 1994 with life cycle
assessment (LCA)
• Clients from industry, NGO, administration, universities
www.esu-services.ch Page 3
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Our services
• Full-scale Life Cycle Assessments (LCA)
• Tiered LCAs
• LCI data acquisition and management (data-on-demand)
• LCA project management
• Ecolabelling concepts
• Literature surveys
• Critical peer reviews
• LCA training & coaching
• Regional SimaPro Centre (LCA software)
www.esu-services.ch Page 4
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Life Cycle Assessment
• Balance of all in- and outputs
• Life cycle from cradle to grave
• Assessment of different environmental impacts
(e.g. climate change, eutrophication, summer
smog)
• Improvement and comparison of production
processes
www.esu-services.ch Page 5
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www.esu-services.ch Page 6
Life Cycle Assessment of Products
Dairy farm Transport Dairy Transport Retail Transport Consumer Waste treatment
The Dairy chain
© LCA Network Food, final document
Cradle to grave
Assessment of emission to air, water and soil as well as resources (water, energy, land)
International standardisation ISO 14040 ff
No absolute judgment nor accounting for social and economic aspects
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Several issues
LCIA method:
Impact category
Energy,non-renew able
Energy, renew able
Ore and minerals
Water
Biotic resources
Land occupation
Land-transformation
Only CO2
Climate change incl. CO2
Ozone depletion
Human toxicity
Particulate matter formation
Photochemical ozone formation
Ecotoxicity
Acidif ication
Eutrophication
Odours
Noise
Ionising radiation
Endocrine disruptors
Accidents
Wastes
Littering
Salinisation
Erosion
Resourc
es
Em
issio
ns
Oth
ers
One environmental issue
CEDCarbon
footprint
Ecological
footprint
Ecological
scarcity 2006
www.esu-services.ch Page 7
Which Life
cycle impact
assessment
(LCIA)? Carbon Footprint, CED:
Easy to understand,
Internationally accepted,
Lower workload, Not
comprehensive
Ecological footprint:
easy to understand, low
workload,
globally known, only two
issues: CO2 and land use
Ecological scarcity:
Comprehensive, reflects
Swiss policy targets, used
for assessment of
products, companies and
for the whole economy
The three indicators CED, carbon footprint and ecological scarcity are calculated
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Ecological Scarcity 2006 Result Weighting Characterisation Inventory
Swiss
environmental
legal targets
eco
points
Primary energy
Ozone depletion
Climate change
Biodiversity
Effectiveness
Estrogenic potential
Cancer and hereditary e.
Acidification
Crude oil
Uranium
Wood
Land occupation
Fresh water
Hazardous waste
Nuclear waste
Carbon dioxide (CO2)
HCFC
SO2
NMVOC
I-129
N total
Endocrine disruptors
Heavy metals
Pesticides
www.esu-services.ch Page 8
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Environmental impacts of consumption
patterns in Switzerland and reduction
potentials
Different projects finances by
WWF Switzerland
Energieforschung Zurich – ewz-electricity supply Zurich
Swiss Federal Office for the Environment, FOEN
Here we present our personal summary
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Key questions
• What are the total environmental impacts of
consumption and how can they be allocated to
consumption areas?
• What are the most important aspects within consumption
areas?
• Which options exist for the reduction of environmental
impacts due to consumption?
• Difficulties and rebound effects for implementation are
not considered
www.esu-services.ch Page 10
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Environmental impacts of lifestyles
Public Private
www.esu-services.ch Page 11
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1. Total impacts CH
3. Further analysis Mahlzeiten in Kantinen: Ökologische Knappheit 2006
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
Rin
dss
chm
orb
rate
n,
Pom
mes
fri
tes
Geb
rate
ne
r
Pou
lets
che
nk
el,
Pom
mes
, Z
ucc
he
tti
Sch
we
insk
ote
lett,
Rös
ti,
Karo
tten
ge
müs
e
Lam
mra
go
ut,
Pom
mes
, G
em
üs
e
Kalb
sg
es
chn
etz
eltes
,
Rös
ti,
Karo
tten
ge
müs
e
Fle
isc
hm
ah
lzeit
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üse
cu
rry
im
Vollr
eis
ring
Ris
otto
Gem
üse
las
agn
e
Spä
tzlip
fan
ne
Tofu
ge
sc
hne
tze
ltes,
Rös
ti, K
aro
tte
n
Veg
eta
risc
he
Mah
lzeit
Um
we
ltbela
stu
ngs
pu
nkte
200
6 p
ro M
ah
lzeit
Stärkebeilage
Gemüsebeilage
Hauptzutat
ø 6700 Pts.
ø 2100 Pts.
4. Reduction potentials
2. Share of consumption areas 5. Total potentials
Main stages for the calculation
www.esu-services.ch Page 13
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TOTAL IMPACTS IN SWITZERLAND MEAN FIGURES OF SWISS EE-IOA AND SIMPLIFIED
“LCA&TRADE” APPROACH
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Total balance of Swiss impacts
www.esu-services.ch Page 15 Imports cause 60% of environmental impacts due to Swiss consumption
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Key figures per capita and year for Switzerland
www.esu-services.ch Page 16
Consumption
perspective
2000-Watt
current situation
Tonnes CO2-eq 12.8 8.6
Watt 8’250 6’300
eco-points 20 Million ~ 8.5 Million
Considerable differences because of different system boundaries
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SHARE OF CONSUMPTION AREAS CALCULATION WITH SWISS EE-IOA
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Share of consumption areas
www.esu-services.ch Page 19
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Share of consumption areas
Nutrition is the most important consumption area with 28%
60% of environmental impacts in nutrition, energy use and mobility
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www.esu-services.ch Page 21
Different indicators and share of final
consumption areas
Energy and GHG indicators underestimate the contribution of nutrition
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FURTHER ANALYSIS OF
CONSUMPTION AREAS TOP-DOWN AND BOTTOM-UP ASSESSMENT WITH LCA AND COMPARISON WITH EE-IOA
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Environmental impacts of food purchases
Top-Down and bottom-up come to comparable results
Further analysis of consumption areas based on LCA and statistics
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www.esu-services.ch Seite 25
Product groups within nutrition
Meat and animal products cause 44% of total impacts
Wine, coffee and beer are important for beverages
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REDUCTION POTENTIALS ANALYSIS OF SINGLE CHANGES IN LIFESTYLES
EXAMPLE FOR BUYING ORGANIC FOOD PRODUCTS
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Organic products
www.esu-services.ch Page 31 Reduction potential about 16% if only organic food is bought
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Seite 33
Vegetarian diet
Vegetarian diet reduces the environmental impacts considerable
60%
less
eco-points
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TOTAL POTENTIALS ANALYSIS FOR THE PRESENT SITUATION IN SWITZERLAND
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Total potential for reduction of impacts
Most relevant is a reduction of animal products
Buying local/seasonal low potential because only vegetables and fruits affected
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All consumption areas
www.esu-services.ch Page 37
Vegetarian diet and substantial reduction of mobility demands have highest potentials
Sum-up only partly possible
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Summary • Our methodology allows to investigate and compare the
impacts of behavioural changes in all areas of
consumption
• Most important are the areas of nutrition, mobility and
energy use in households
• Combination of EE-IOA for broad overview and LCA for
detailed analysis
• The highest potentials exist for a vegetarian diet,
reduction of mobility and energy savings in households
www.esu-services.ch Page 40
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ESU World LCA Food Database
Add on database for SimaPro
www.esu-services.ch Page 41
USE USE
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ESU-services global food database
• First work on cooking in India (1994-1995)
• Further development with Ph.D. thesis of Niels Jungbluth
on meat and vegetable consumption in CH (1996-2000)
• Several projects of ESU-services for extension
• Today more than 2’500 datasets related to food
production and consumption
• Background data and methodology according to
ecoinvent v2.2
• Data can be provided for SimaPro and other software
• Costs depend on number of datasets and documentation www.esu-services.ch Page 42
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Contents ESU data-on-demand
• Simplified agricultural production services: application
of fertilizers
• Vegetables: spinach, salad, tomatoes, lettuce, potatoes,
onions, asparagus, etc.
• Fruits: apples, strawberries, cherries, grapes, oranges,
vine, melons
• Animal products: pork, veal, beef, lamb, poultry, eggs
• Dairy products: butter, milk, milk powder, yoghurt,
cheese
www.esu-services.ch Page 43
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Contents (Part 2)
• Drinks: apple & orange juice, mineral water, tap water,
beer, wine, milk, coffee
• Sweets: chocolate, cake, ice cream
• Meals: canteen, home-made, ready-to-eat
• Household appliances: cooking stoves and ovens,
microwaves, refrigerators, carbonisation devices, coffee
machine
• Food consumption: packages, transports, cooking,
consumption patterns
• Pet food: cat food
www.esu-services.ch Page 44
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Offers
• Background library for SimaPro with 1600 system
processes as (2000 Euro)
• Price for single unit or system processes (300
CHF)
• Calculation of LCIA indicators (starting from 200
CHF)
www.esu-services.ch Page 45
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Life Cycle Assessment of Swiss Chocolate
Niels Jungbluth, Alex König, ESU-services Ltd, Zürich www.esu-services.ch
USE USE
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Key questions
• What are the differences between different types of
chocolate?
• What are the environmental impacts of chocolate
consumption?
• What are the most important aspects within the
production of chocolate?
• Which potentials exist for the reduction of
environmental impacts due to chocolate consumption?
www.esu-services.ch Page 47
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Background
• Projects commissioned by German Aluminium Association
(GDA) in cooperation with European Aluminium Foil
Association (EAFA), Düsseldorf, Germany
• Büsser S. and Jungbluth N. (2009) LCA of Chocolate
Packed in Aluminium Foil Based Packaging. ESU-services
Ltd., Switzerland
• www.esu-services.ch/projects/packaging/
• Here we present our personal point of view
www.esu-services.ch Page 48
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Goal and Scope for this study
• Functional unit: 1 kg of chocolate for
consumption in the household
• Packed in aluminium foil and wrapped with
paper
• Cocoa data from Ghana
• Consumption in Europe
www.esu-services.ch Page 49
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Life cycle impact assessment
• Evaluation of CML impact categories in original
study
• Here use of the LCIA method ecological scarcity
2013 (Switzerland) to simplify the presentation
• Evaluation of greenhouse gas emissions and
cumulative energy demand as most common
category indicators
www.esu-services.ch Page 51
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Impacts per process stage
www.esu-services.ch Page 52
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GWP: Comparison of different chocolates
www.esu-services.ch Page 53 Buy in tax free and 1500 km flying home can add considerable impacts
What happens if you buy
Swiss chocolate in the tax
free shop and transport it
home 1500 km by air plane?
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Shares in chocolate production
www.esu-services.ch Page 55
UBP 2013
Land use and heavy metals into soil due to agricultural production of coca beans
as main environmental impact factors
18% 18%
18%
80% 63%
59% 77%
14%
14%
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
MilkChocolate
WhiteChocolate
DarkChocolate
Chocolatewith
Sultanas
sh
are
of
pro
du
cti
on
pro
cess
sun-dried sultanas
sugar
cocoa butter
cocoa liquor
milk powder
electricity, fuels, tapwater & sewage
18%
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0
10'000
20'000
30'000
40'000
50'000
60'000
milk chocolate cheese cake passion fruitcake with
whitechocolate
rhubarb tartwith sourcream ice
vanilla icecream
yoghurtstrawberry
beef
UB
P 2
01
3 p
er
kg
Water resources Energy resources Mineral resources
Land use Global warming Ozone layer depletion
Main air pollutants and PM Carcinogenic substances into air Heavy metals into air
Water pollutants POP into water Heavy metals into water
Pesticides into soil Heavy metals into soil Radioactive substances into air
Chocolate and other food products
www.esu-services.ch Page 56
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Summary
• Environmental impacts of chocolate are dominated
by the agricultural production of cocoa beans and
milk
• Packaging and distribution is of minor importance
• Dark chocolate has the lowest impacts
• Tax free chocolate transported by airplane can
cause considerably higher impacts
• Chocolate is a product with comparable high impact
www.esu-services.ch Page 58
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LCA Application for a Canteen Operator
commissioned by the Swiss SV group
www.esu-services.ch Page 59
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Goal and Scope for the project
• Total food purchases
– in 240 canteens
– for 19.2 million meals
– worth more than 150 Mio. CHF
• Functional unit: 1 meal served
• Share of different types of ingredients?
• Improvement potentials developed together with
WWF and ewz (energy supply) www.esu-services.ch Page 60
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Data collection in a modular LCA
• Inventory of 12’000 articles purchased from
different suppliers
• Total purchase of 21’000 tonnes food and non-
food
• Linked to 200 different type of products in ESU
data-on-demand database
• Further coverage of packaging, type of
conservation, origin and mode of transport www.esu-services.ch Page 61
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Composition of the average canteen meal
www.esu-services.ch Page 62
Product group grams per meal
meat/poultry 108
fresh vegetables 310
bread 108
dairy products 135
eggs 5
fish 21
sweets 32
convenience 137
beverages 225
non-food 42
Share organic <1
Share CH/ship/air-transported 61% / 9.5% / 0.5%
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GWP of meal preparation in canteens 87.000 t CO2-eq per year (66.000 t CO2-eq goods and 21.000 by preparation)
Production of food much more important than preparation
Meat and fish dominate the results with more than 50%
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Full LCIA of total purchases per meal
www.esu-services.ch Page 64
Supply chain and agricultural production even more important in a
full LCIA
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The programme ONE, TWO, WE
www.esu-services.ch Page 66 Customer can choose between improvement options for their canteen
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Improvement: Vegetarian canteen meals
Seite 67 Vegetarian meals reduce the environmental impacts considerable
60%
less
eco-points
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Improvement: Season calendar for fruit and
vegetables
www.esu-services.ch Page 68
kg CO2-eq per kg vegetable Jan Feb March April May June July Aug Sept Oct Nov Dec
CH-Lorry n.a. n.a. n.a. 1.9 1.9 1.9 n.a. n.a. n.a. n.a. n.a. n.a.
ES-Lorry n.a. n.a. n.a. 2.1 2.1 2.1 n.a. n.a. n.a. n.a. n.a. n.a.
MX-Air 22.7 22.7 22.7 n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a. n.a.
PE-Air 24.9 24.9 n.a. n.a. n.a. n.a. 24.9 24.9 24.9 24.9 24.9 24.9
US-Air n.a. 18.7 18.7 18.7 18.7 18.7 n.a. n.a. n.a. n.a. n.a. n.a.
CH-Lorry n.a. n.a. 3.9 3.9 0.6 0.6 0.6 0.6 0.6 3.9 3.9 n.a.
ES-Lorry 0.9 0.9 0.9 0.9 n.a. n.a. n.a. n.a. n.a. 0.9 0.9 0.9
IT-Lorry 0.7 0.7 0.7 0.7 n.a. n.a. n.a. n.a. n.a. 0.7 0.7 0.7
MA-Lorry 1.0 1.0 1.0 n.a. n.a. n.a. n.a. n.a. n.a. n.a. 1.0 1.0
Zucchini TK FR-Lorry 1.8 2.0 2.2 2.3 1.1 1.1 1.1 1.1 1.1 1.3 1.5 1.6
Zucchini TK CH-Lorry 0.7 0.7 0.7 0.8 0.6 0.6 0.6 0.6 0.6 0.6 0.7 0.7
Green asparagus
Zucchini
Assessment of global warming potential
Season calendar to assess monthly routes
Main difference: heating greenhouse and air freight
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Main Improvement options followed up
• Less meat per meal and more vegetarian meals
• Supply chain management for vegetables from
heated greenhouses
• Reduction of air-transportation
• Less food waste
www.esu-services.ch Page 69
Each customer can choose the extra services and offers
for their canteen
Goal: 10% less CO2-eq or -6000 tonnes in 2015
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Status after the first year
• 42 canteens participating
• 418 Tonnes of CO2-eq saved, 5.5% reduction
• SV purchased 54 tons less meat and fish and at
the same time 35 tons more vegetables
• Reduction of 35% air-transportation saved 5
tonnes of CO2-eq
www.esu-services.ch Page 70
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Conclusions
• Life cycle management is necessary and feasible to
reduce environmental impacts of canteens
• In-depth LCA analysis helps for internal and external
argumentation
• Collaboration with suppliers in order to reduce impacts
in the supply chain is necessary
• The holistic approach on environmental improvements
was welcomed by many customers and guests
www.esu-services.ch Page 71
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The SENSE Tool for SME’s
Seventh Framework Programme of the European Union
www.esu-services.ch Page 72
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Question
How can we develop a tool
for the SMEs in the food sector
to do a simplified
life cycle assessment?
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INTRODUCTION
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Context of the SENSE-project
• 23 Partners from 13 countries
• Aimed at SMEs in food supply chains
– Fruit industry, aquaculture, meat & dairy industry,
expendable
• End of the project was January 2015
• Further information on www.senseproject.eu
www.esu-services.ch Page 76
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What is the objective of SENSE?
Develop a harmonised system for environmental impact
assessment of the food and drink industry
• Online tool for calculating environmental footprints
– Cooperation over the supply chain in the tool
– Includes social aspects
– Regionalized approach (certain impact categories)
• Environmental Identification Document
– Added value
www.esu-services.ch Page 77
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Importance of SMEs for Europe
European Union
• 99% of all enterprises in the private economy
• 2 of 3 jobs
www.esu-services.ch Page 78
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SENSE TOOL METHODS
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Data used for the assessment: KEPIs
Definition:
• KEPIs are «Key environmental performance indicators»
• For each production step, linked to key environmental challenges
• Simple to measure & easy to understand
• Built on accessible production data, e.g.
→ Litre diesel use per kg feed produced
Evaluation:
On average, 95% of the total environmental impact can be assessed with
the selected indicators compared to a full LCA
www.esu-services.ch Page 80
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Impact assessment
A set of consistent environmental impact assessment
methods and indicators
Decision: Choice of methods from the ENVIFOOD Protocol
– The protocol is based on ISO, the ILCD handbook and
the PEF guide (European Commission on the Product
Environmental Footprint)
– Different method to assess water use
Abiotic resource depletion, acidification, climate change, freshwater
ecotoxicity, eutrophication (freshwater, marine, terrestrial), human toxicity
(cancer, non-cancer), land use, water resource depletion.
www.esu-services.ch Page 82
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THE SENSE-TOOL
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How does the tool look?
www.esu-services.ch Page 85
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Example result: 1litre milk, climate change
Milk production at farm
Feed production
Dairy production
Entered KEPI data are analysed with chosen method
SMEs can
gain insight in the share of environmental impacts of the
different production steps
Define hotspots
Compare perfomance
over the years
www.esu-services.ch Page 86
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CONCLUSION:
SMES AND THE SENSE TOOL
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The SENSE-tool – designed for SMEs
• Online tool
– No installation of new software
– Easy accessible, also for suppliers
• Intuitive, user friendly design
– Food chain is visualized with symbols
• Regionalized data is automatically included
– E.g. water use is calculated with data from
chosen country
www.esu-services.ch Page 89
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The SENSE-tool: Difficulties for SMEs
• SMEs need valuable time to collect data
→ No full LCA, only key data asked
→ Step-by-step description & short film
• Dairy SMEs feel uneasy asking suppliers (farmers)
→ Confidential
→ Direct entry of data possible (Guest)
• EID not well known yet, advantage not visible for SMEs
• LCIA indicators difficult to explain for non-LCA experts
SMEs expect quick results based on small amount of data
www.esu-services.ch Page 90
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The SENSE-tool: Advantages for SMEs
• Less time consuming than a full LCA
• Less costs than a full LCA
• Overview over impacts of different processes
→ define hot-spots
• Comparison between different years
• Benchmarking
• Added value with the Environmental Identification
Document (EID) that summarizes main impacts
→ brand differentiation www.esu-services.ch Page 91
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Sources
• Ramos, S. et al, Oct. 2014:
«Sense tool: Easy-to-use web-based tool to calculate food product
environmental impact»,
• Public Deliverables 1.1, 1.3, 2.2 from the project can be retrieved from:
http://www.senseproject.eu/public-deliverables
• Contributions by ESU-services
http://www.esu-services.ch/projects/lcafood/sense/
• «Fakten und Zahlen über die kleinen und mittleren Unternehmen (KMU) der
EU»
http://ec.europa.eu/enterprise/policies/sme/facts-figures-
analysis/index_de.htm 8.9.2014, 4 p.m.
www.esu-services.ch Page 93
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Food losses in the Life Cycle of Lasagne
Bolognese: ready-to-serve vs. home-
made
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Key questions
www.esu-services.ch Page 98
• What is better from an environmental point of view?
Ready-made lasagne or home-made lasagne?
• How do the following factors influence the performance of
both types of lasagne?
– amount and type of food waste
– energy consumption in production and preparation
– efficient preservation vs. fresh ingredients
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Important system boundaries
www.esu-services.ch Page 99
• Ready-made vs. home-made lasagne
• FU: Preparation of two portions (400g) of lasagne
Bolognese ready to be heated in oven at home
• Same composition for both types of lasagne
• Ready-made packed in aluminium container, chilled
• Fresh ingredients: seasonal, conventional, regional
• Food waste data from Gustavsson et al. (2011), Kranert
et al. (2012), Lorrayne (2008) and industry data
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Challenges and points of discussion
www.esu-services.ch Page 100
• Is it possible to compare home-made and ready-made
lasagne as they have different functions?
How can we generally deal with slightly different
functions in LCA?
• How valid is a portion size of 400g for both products?
• Can it be assumed that the left overs on the plate are
the same due to the same portion size?
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Losses of selected ingredients
www.esu-services.ch Page 101 Ready-made lasagne leads to more food losses for conservable ingredients
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www.esu-services.ch Page 102
Total about the same (24% to 26% losses from farm to oven)
Differences in the life cycle stages
Food losses
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www.esu-services.ch Page 103
0123456789
101112
Ready-made Home-made
kg C
O2-
eq/k
g la
sagn
e re
ady
for
hea
tin
g
Preparation
Storage at household
Home transport
Distribution and selling
Packaging
Production
Ingredients
2,5%
97.50%
Losses
Food losses
Total GHG emissions about the same
High uncertainties
Main differences in distribution, production and preparation
Greenhouse gas emissions
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Total environmental impacts
www.esu-services.ch Page 104
Total environmental impacts are comparable
Ingredients production is most important
Ecological Scarcity Method 2006
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Summary
• No clear ranking of losses or impacts is possible
• Ready-made lasagne leads to more food losses for
conservable ingredients than home-made lasagne
• Differences not based on the food losses but on energy
consumption for preparation and storage, packaging etc.
• Ingredients are most important
• Best case assumption for fresh ingredients greenhouse
production or ingredients from abroad worse impacts
• Function of both products is slightly different www.esu-services.ch Page 105
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General conclusions
• Food losses are important when considering
environmental impacts of food consumption
• More and better data is needed in order to make
detailed comparisons
• Avoidance of food losses can reduce costs and
environmental impacts
www.esu-services.ch Page 106
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© Saldo
Granted, my car consumes a lot ... But, Your
Californian asparagus needs also 5 liters per kg!
www.esu-services.ch
Page 107
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ライフサイクルアセスメント
生命週期評估
전 과정 평가
வாழ்க்கக வட்டப் பகுப்பாய்வு
Evaluarea Ciclului de Viață
Posuzování Životního Cyklu
Lífsferilsgreining
Levenscyclusanalyse
Livscyklusvurdering
Livscykelanalys
Elinkaariarviointi
Livssyklusanalyse
Análisis de Ciclo de Vida
Analisi del Ciclo di Vita
Analyse du Cycle de Vie
Life Cycle Assessment
Ökobilanzen
www.esu-services.ch