Where does your food come from? - Royal Society of Biology · UK Broccoli mostly comes from Spain...
Transcript of Where does your food come from? - Royal Society of Biology · UK Broccoli mostly comes from Spain...
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Where
does your
food come
from?
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By the end of the lesson you
should be able to…
• Locate where your food comes from.
• Describe what the term ‘food miles’ means.
• Explain why some foods are sourced from
abroad.
• Propose solutions to the environmental and
social impacts of global food production.
• Assess possible solutions and determine the
role of consumers, farmers, retailers and
scientists.
![Page 3: Where does your food come from? - Royal Society of Biology · UK Broccoli mostly comes from Spain or Italy. ... economy of developing nations ... PowerPoint Presentation Author:](https://reader031.fdocuments.in/reader031/viewer/2022030821/5b3606687f8b9a6b548de554/html5/thumbnails/3.jpg)
Where does your food come
from?
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Food miles: The distance food
items travel from where they are grown to where they are eaten.
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Broccoli and Cauliflower
Top producers: China, India, Spain, Mexico, USA, Italy
UK Broccoli mostly comes from Spain or Italy. How far away is that?
800 miles 900 miles Italy: Spain:
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Oranges
Top producers: Brazil, USA, China, India, Mexico, Spain
UK oranges mostly come from Spain. How far away is that?
800 miles
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UK bananas mostly come from the Caribbean. How far away is that?
Bananas
Top banana producers: India, China, Philippines, Ecuador, Brazil
4600 miles!
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What goes in to making a Chocolate Bar?
Cocoa Cocoa Cocoa Sugar Sugar Sugar
Milk Milk Milk
Salt Yeast Yeast Yeast
Wheat Wheat Wheat
Palm oil Palm oil Palm oil
Soya Soya Soya
Calcium sulphate
Milk chocolate (66%): Sugar, dried whole milk, cocoa butter, coca mass, lactose, whey proteins, whey powder, vegetable fat, emulsifier (sunflower lecithin), butterfat, natural vanilla flavourings
Total ingredient list: Wheat flour, Sugar, Vegetable fat (Palm oil), Cocoa mass, Yeast, Raising agent (Sodium bicarbonate), Salt, Emulsifier (Soya lecithin), Natural flavourings
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Cocoa:
Sugar:
Wheat:
West Africa Milk:
Yeast:
Salt:
Where do the ingredients come from?
Palm oil:
Soya:
Calcium Sulphate:
Caribbean
East Anglia
EU
Europe
China
SE Asia
Brazil/Argentina India
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Cocoa:
Sugar:
Wheat:
3100 miles Milk:
Yeast:
Salt:
How far have the ingredients travelled?
Palm oil:
Soya:
Calcium Sulphate:
4600 miles
200* miles
500* miles
4700 miles
6500 miles
5600 miles
4700 miles
500* miles
Total food miles: ~30,400
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What might increase the food miles even
further?
• Processing and packaging are
sometimes done in other
countries… more miles!
• Transport routes: sometimes
transport stops at other
countries on the way
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Why do we source our food from so
many different countries?
• Climate – we can’t grow them here – Many ingredients need to be grown in particular
climates
– Soya can only handle a 1.4 degree temperature change so climate change would affect production
• Space – Agriculture needs a lot of land
• Expertise
• Cost of production – Countries with a lower cost of living can produce food
more cheaply
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Can you think of any environmental
or social issues associated with the
ingredients for our chocolate bar?
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Carbon footprint
The total greenhouse gas (GHGs)
emissions caused directly and indirectly by
a person, organisation, event or product.
Greenhouse gasses include carbon dioxide
and methane.
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Environmental impacts of food
production
• Increasing land use for agriculture
involves destroying important natural
habitats such as the rainforest.
• Some rare species lose their habitats,
e.g. the Sumatran tiger.
• Agriculture also contributes to climate
change.
• Agriculture uses a lot of water.
• Transport of food throughout the world
burns fuel, increasing food’s carbon
footprint.
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Social and economic impacts of
food production • Not everyone is the world has enough to
eat – as the world’s population increases
we are struggling to produce enough food
to feed everyone
• Food produced in the developing world is
sold to the developed world – but they
can’t feed themselves
• Working conditions are often poor in
developing countries
• Indigenous people have been displaced as
plantation spread into their lands
• Large plantations require fewer workers,
increasing the rich/poor divide
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Social and economic impacts of
food production • Agriculture is often central to the
economy of developing nations
• In many developing countries a high
proportion of the labour force have jobs
in agriculture
• Improvements to local infrastructure,
such as roads for transporting food for
export, have benefits beyond the
farming community
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Match issues to ingredients - answers
Cocoa, Sugar, Salt, Palm
oil, Soya
Palm oil, Soya
Cocoa, Palm oil
Palm oil, Soya
Palm oil, Soya
Cocoa, Sugar, Wheat, Milk, Palm oil, Soya
Palm oil
Palm oil
Palm oil, Soya
Palm oil, Soya
Carbon footprint of transport
Carbon footprint of farming
Deforestation
Habitat destruction
Land use for western products
in developing countries
Encourages rich/poor divide
Threat to endangered species
Displacement of
indigenous people
Use of illegal
immigrant workers
Dangerous working conditions
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Can you think of possible solutions?
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Can you think of possible
solutions? • Conservation projects
• Restriction on land use
• Optimise efficient farming methods
• Crop improvement. Research into high-yield or resistant crops
• Develop less damaging pesticides and herbicides
• Use renewable energy
• Look for/develop alternatives to palm oil or soya (often labelled vegetable oil or fat) in food such as chocolate
• Advertise accurately where food comes from
• Buy food from countries closer to the UK to reduce food miles
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Who is involved in delivering
the solutions?
Scientists Farmers Consumers
Supermarkets Factories Government
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Who is involved in delivering
the solutions? Scientists, Manufacturers
Crop improvement. Research into high-yield
or drought resistant crops
Development of renewable fuels
Environmentally friendly pesticide and
herbicide development
Optimise efficient farming methods
Restrictions on land use for farming
Conservation projects
Farmers, Scientists, Government
Supermarkets, Consumers
Farmers, Scientists, Government
Buy food from countries closer to the UK
to reduce food miles
Manufacturers, Supermarkets Advertise accurately where food comes from
Develop alternatives to palm oil
Government, Consumers (Charities)
Scientists
Scientists
Government
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Summary
• The food that finds its way into our kitchen comes from
a_ o___ t__ w____.
• Where food is produced depends on c_____, s____,
e_______ and c____o__p________.
• The biggest producers are Br___, I____ and C___
(BRIC nations).
• Production and t_______ of food results in c_____
emissions and often has e_________ and
social/economic implications.
• Solutions to these issues are being developed by
sc______, f______, su_________, m__________,
g_________, c________ .
ll ver he orld
limate pace xpertise ost f roduction
azil ndia hina
ransport arbon
nvironment
ientists armers permarkets anufacturers
overnment onsumers
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By the end of the lesson you
should be able to…
• Locate where your food comes from.
• Describe what the term ‘food miles’ means.
• Explain why some foods are sourced from
abroad.
• Propose solutions to the environmental and
social impacts of global food production.
• Assess possible solutions and determine the
role of consumers, farmers, retailers and
scientists.