Climate Change Implications of Food Waste in...
Transcript of Climate Change Implications of Food Waste in...
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Climate Change Implications of Food
Waste in Malaysia
Effie Papargyropoulou - Visiting Lecturer
Malaysia Japan International Institute of Technology (MJIIT)
Universiti Teknologi Malaysia (UTM) - KL
10th Annual Waste Management Conference and Exhibition
Ensearch Waste Management 2012.
18-19 July 1012. Sime Darby Convention Centre, Kuala Lumpur
Universiti Teknologi Malaysia (UTM) - KL
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Presentation outline
• The scale of food waste
• Impacts of food waste• Impacts of food waste
• Malaysian context
• Food surplus and waste
management options
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Origins of food waste?Origins of food waste?
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Source: Tristram Stuart (2009) Waste: Uncovering the global food scandal
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Source: Tristram Stuart (2009) Waste: Uncovering the global food scandal
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Source: Tristram Stuart (2009) Waste: Uncovering the global food scandal
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Source: Tristram Stuart (2009) Waste: Uncovering the global food scandal
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Losses & Waste in the Food Supply Chain
AgricultureAgriculture
• Farming
• Husbandry
Food
processing and
manufacturing
Food
processing and
manufacturing
• Primary: drying,
sieving, milling,
grinding etc.
RetailRetail
• Wet markets
• Grocers
ConsumptionConsumption
• Household
• Food service:
restaurants, grinding etc.
• Secondary: mixing,
cooking, moulding
etc.
• Supermarkets etc. restaurants,
hospitality sector,
cafes etc.
• Institutions:
education
institutions,
hospitals, prisons
etc.
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How much is produced?How much is produced?
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North America &
Europe discard
30 - 50% of food
supplies enough supplies enough
to feed the world's
hungry 3 times
over
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Food losses and waste in the global FSC
• “as much as half of all food grown is lost or
wasted before and after it reaches the
consumer” (Lundqvist et al. 2008)
(Gustavsso et al. 2011)
Europe and North
America
South and Southeast
Asia
280-300 kg/capita/yr 120-170 kg/capita/yr
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Impacts of food waste
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• Social– Over – Population VS. Food security
• i.e: not enough food for all!
• Economic– Wasted Food = Waste of Money!
• Environmental– Greenhouse gases (CH4, CO2)
– Limited natural resources (water, nutrients, energy etc.)
– Pollution (air, rivers, groundwater, soil)
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Embedded GHG emissions of food waste from
previous lifecycle stages
•Agriculture
•Transportation
•Processing
•Storage & Cooling
Landfill gas emissions
•CH4
•CO2
Climate change & food waste
Impact of food waste on climate
change
•Storage & Cooling
•Retail
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food sector:
22% global
warming
potential
Sources: United Nations Environment Programme
2010; European Commission 2006
waste: 3%
global GHG
emissions
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Malaysian context
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Malaysia’s MSW Composition
food 45%
plastic 24%
paper 7%
metals 6%glass 3%
others 15%
Source: National Solid Waste Management Department www.kpkt.gov.my
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Malaysia’s Food Waste Towers
Total Total (tonnes) per day Food waste (tonnes) per day
2002 17,000 7,650
2020 30,000 13,500
• 2020 = 5 million tonnes of food waste / year
Source: National Solid Waste Management Department www.kpkt.gov.my
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5 million tonnes is the same as7
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What can be done about it?What can be done about it?
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Moving up the waste hierarchy
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Options for food surplus and
food waste management
Prevention
• Avoid surplus food generation throughout food production and consumption
Re-use
• Use surplus food for human consumption through redistribution networks & food banks
Recycle
• Use of food waste as animal feed
• Composting
Recovery• Treat food waste and recover energy e.g. anaerobic digestion
Disposal• Sanitary landfill with landfill gas utilisation technology
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Visit: www.lovefoodhatewaste.com
Food Waste Guidance
13% reduction in 3 years (pure
prevention, not including AD or
recycling)