Syllabus Edition

First teaching 2015

Last exams 2025

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Inequalities & Food Waste (DP IB Environmental Systems & Societies (ESS))

Revision Note

Alistair Marjot

Written by: Alistair Marjot

Reviewed by: Bridgette Barrett

Inequalities & Food Waste

Inequalities in Food Production and Distribution

  • The growing global population, which is increasing by over 80 million people each year, puts significant pressure on the global food production system to meet the increasing demand for food

640px-foodmeat

By Unknown photographer, Public Domain, Wikimedia

Meat based diets require more resources and have a higher environmental impact

  • In addition, changes in dietary preferences, particularly in middle- and high-income countries, contribute to inequalities in food production

    • As people's incomes rise, there is a shift from grain-based diets to meat- and dairy-based diets, which require more resources and have a higher environmental impact

  • Since the early 2000s there has been a steady increase in world food prices

    • While there has also been an increase in food production during this period, the rise in demand for food has outpaced production

    • This imbalance has contributed to inequalities in food availability and affordability, particularly for vulnerable populations

  • Fluctuations in oil prices also have a direct impact on food production and distribution

    • Higher oil prices lead to increased costs in transportation, which can affect the availability and affordability of food, especially in remote or underprivileged regions

  • Inequalities also exist in access to resources and technology for food production

    • For example, small-scale farmers, particularly in developing countries, often face challenges in accessing good quality seeds, fertilisers, and employing modern agricultural practices

    • This limits their productivity and exacerbates disparities in food production

  • Socioeconomic factors, such as income inequality and limited access to education and healthcare, also contribute to inequalities in food production and distribution

    • Specifically, these factors affect individuals' purchasing power, nutritional status, and overall food security

  • Government policies and trade agreements can either support or hinder equitable food production and distribution

    • Subsidies, tariffs, and regulations can impact the availability and affordability of food, influencing the dynamics of global food systems and exacerbating inequalities

  • Finally, climate change and natural disasters disproportionately affect vulnerable populations and disrupt food production

    • Extreme weather events, water scarcity, and shifting climatic patterns pose challenges for farmers, particularly in developing countries, leading to food insecurity and unequal access to nutritious food

  • These various factors all interact to create a complex web of inequalities in food production and distribution globally

  • Addressing these challenges requires a combined approach that involves sustainable agricultural practices, improved access to resources and technology, equitable policies, and efforts to reduce poverty and inequality on a global scale

Food Waste in LEDCs and MEDCs

gi-market-food-waste

Taz, CC BY 2.0, via Wikimedia Commons

Food waste is a global issue that impacts both Less Economically Developed Countries (LEDCs) and More Economically Developed Countries (MEDCs), albeit for different reasons

  • Understanding the factors contributing to food waste in these differing regions is crucial for developing effective strategies to address this problem

  • By examining the distinct challenges faced by LEDCs and MEDCs, it is possible to identify targeted solutions to reduce food waste, promote sustainability, and improve food security on a global scale

LEDCs

  • Food waste occurs primarily at the farm level due to inadequate storage and refrigeration facilities

    • Without proper infrastructure, perishable crops and products are more likely to spoil before reaching the market

  • Limited access to efficient transportation systems and poor road infrastructure contribute to food waste during transportation

    • Inadequate packaging and handling practices contribute to the problem, resulting in spoilage and loss of produce during transit

  • Post-harvest losses, such as improper handling, drying, and storage of crops, are common in LEDCs

    • Insufficient knowledge and resources for implementing proper preservation techniques contribute to food waste

  • Lack of market access and limited value chain integration in rural areas can lead to surplus production that cannot be effectively distributed or sold, resulting in food waste

MEDCs

  • Food waste occurs primarily at the household level due to consumer behaviour, such as overbuying, improper storage, and discarding edible food

  • Retail-level food waste is also significant in MEDCs

    • Strict adherence to "sell-by" and "best-before" dates leads to premature disposal of food that is still safe to consume

    • Retailers often discard products based on appearance rather than actual quality, contributing to unnecessary waste

  • Consumer preferences for aesthetically perfect produce contribute to waste in the supply chain

    • Retailers often reject imperfect-looking fruits, vegetables, and other products, leading to significant losses at the farm and distribution levels

  • Large-scale food operations, such as restaurants, hotels, and catering services, also contribute to food waste due to factors such as portion sizes, buffet systems, and excess food prepared but not consumed

Socioeconomic factors and cultural practices influence food waste

much-poverty-in-india

Peter van der Sluijs, CC BY-SA 3.0, via Wikimedia Commons

In LEDCs, poverty and limited resources result in a greater emphasis on meeting immediate food needs rather than preventing waste

  • Lack of awareness and education about food waste management also play a role in food waste in LEDCs

  • In MEDCs, consumer affluence, abundance, and a culture of convenience contribute to higher levels of food waste

    • Generous portion sizes, impulse buying, and a disconnect from food production and its value contribute to wasteful behaviours

  • Addressing food waste requires targeted strategies that address the specific challenges in LEDCs and MEDCs

    • In LEDCs, this includes improving infrastructure and storage facilities, promoting efficient agricultural practices, enhancing transportation and value chain management, and raising awareness about food waste reduction

    • In MEDCs, this includes promoting initiatives focussing on consumer education, better date labelling practices, improved redistribution of surplus food, and encouraging sustainable consumption habits

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Alistair Marjot

Author: Alistair Marjot

Expertise: Biology & Environmental Systems and Societies

Alistair graduated from Oxford University with a degree in Biological Sciences. He has taught GCSE/IGCSE Biology, as well as Biology and Environmental Systems & Societies for the International Baccalaureate Diploma Programme. While teaching in Oxford, Alistair completed his MA Education as Head of Department for Environmental Systems & Societies. Alistair has continued to pursue his interests in ecology and environmental science, recently gaining an MSc in Wildlife Biology & Conservation with Edinburgh Napier University.

Bridgette Barrett

Author: Bridgette Barrett

Expertise: Geography Lead

After graduating with a degree in Geography, Bridgette completed a PGCE over 25 years ago. She later gained an MA Learning, Technology and Education from the University of Nottingham focussing on online learning. At a time when the study of geography has never been more important, Bridgette is passionate about creating content which supports students in achieving their potential in geography and builds their confidence.