Climate Change’s Complex Impact on Food Security and the Right to Adequate Nutrition

This article was exclusively written for The European Sting by Ms. Sadia Khalid, early-stage researcher (ESRs), medical writer and research engineer at Tallinn University of Technology (TalTech), Estonia. She is affiliated with the International Federation of Medical Students Associations (IFMSA), cordial partner of The Sting. The opinions expressed in this piece belong strictly to the writer and do not necessarily reflect IFMSA’s view on the topic, nor The European Sting’s one.

Climate change has far-reaching and cascading impacts on agriculture, food security, and nutrition, posing a significant threat to the realization of the right to adequate food. These impacts encompass various dimensions of food security, including availability, accessibility, utilization, and stability. Climate change exacerbates vulnerabilities and disproportionately affects the most vulnerable populations, including Indigenous Peoples, women, and marginalized groups.

Climate Change Impacts on Food Availability:

Climate change is expected to have predominantly negative consequences on food production, with potential yield reductions of more than 5% beyond 2050. Even a 1°C temperature increase can significantly harm crop yields, particularly affecting stable crops. Climate change also threatens land and water resources, contributing to soil degradation, desertification, land conversion, deforestation, and resource-related conflicts. Rising sea levels will inundate coastal agricultural areas and river deltas, leading to increased groundwater salinity and affecting agricultural production.

Climate Change Impacts on Food Access:

Climate change-induced reductions and instability in food production, coupled with increasing global demand, are expected to drive up prices and volatility for major crops. Vulnerable groups that rely heavily on a few staple foods for their diets face a greater risk of food insecurity and lack of dietary diversity. Extreme climate events can disrupt food distribution and access, hindering humanitarian responses to emergencies.

Climate Change Impacts on Food Adequacy and Utilization:

Climate change can decrease the availability of foods rich in essential nutrients, affecting overall nutritional quality. Droughts and emissions may reduce nutrient content in staple crops, while heavy rainfall can lead to fungal infections. Climate change may worsen the prevalence of infectious diseases and affect food storage due to warmer weather, potentially leading to increased childhood malnutrition and stunting. Good nutrition depends on factors impacted by climate change, including clean water, sanitation, and healthcare, with vulnerable populations being most affected.

Impact on Discrimination and Vulnerable Groups:

Currently, hundreds of millions of people suffer from undernourishment, stunting, anemia, or obesity, and climate change threatens to exacerbate these issues. Climate change is expected to put an additional 600 million people at risk of malnutrition by 2080. Vulnerable populations, including Indigenous Peoples, small-scale food producers, and low-income households, are disproportionately affected by food production losses and reduced diet diversity. Different regions face varying economic burdens due to climate change impacts on food production, with Africa, Asia, and small island nations being particularly affected.

Government Initiatives:

The FAO (Food and Agriculture Organization of the United Nations) has developed a Climate Change Strategy (2022-2031) to make agri-food systems central to climate solutions and promote food security, resilience, and equity. This strategy focuses on vulnerable populations, including small-scale producers, Indigenous Peoples, women, youth, and marginalized communities. FAO supports member states in mitigating and adapting to climate change through research, policy measures, and rights-based policies. FAO also advocates for the integration of the right to food in climate action, emphasizing the importance of inclusivity and gender-transformative approaches.

Monitoring and Accountability:

FAO uses various tools and mechanisms to monitor climate change’s impacts on the right to food, including assessments of Nationally Determined Contributions (NDCs), climate risk assessment tools, and knowledge materials. FAO promotes a human rights-based approach, as well as the Right to Food Guidelines, to guide policy implementation. FAO supports countries in strengthening their adaptive social protection systems and aligning climate actions with food security and nutrition goals.

Promising Practices and Challenges:

Risk-informed social protection systems can mitigate climate-related shocks and support vulnerable farmers in adopting sustainable practices. Transforming agrifood systems to be more resilient and inclusive is essential for addressing climate change’s negative impacts on food security. FAO’s Compendium of community and indigenous strategies for climate change adaptation showcases promising practices. Innovation and digitalization must consider the needs of vulnerable groups and address root causes of poverty and exclusion.

International Cooperation:

FAO collaborates with international efforts, such as the Koronivia Joint Work on Agriculture, to address the socioeconomic and food security dimensions of climate change in the agricultural sector. FAO assists countries in enhancing their climate actions and investments, particularly those that benefit the poorest and most vulnerable. The international community, through forums like COP 27, recognizes the importance of inclusive climate action for food security and rights-based approaches.

Holistic Food Systems Approach:

FAO advocates for a holistic approach to food systems, integrating human rights, natural resource management, disaster risk management, market stability, and governance. Efforts should focus on addressing inequalities and vulnerabilities within agrifood systems to ensure equitable access to benefits.

Promoting Inclusive Innovation:

Innovation and technology must consider the needs of vulnerable populations and avoid exacerbating inequalities. Ensuring that the benefits of innovation reach the poorest and most marginalized is crucial for achieving the right to food in the context of climate change.

FAO’s Commitment to Human Rights:

FAO is committed to a human rights-based approach, particularly the right to food, in its efforts to transform agrifood systems and address climate change’s impacts on vulnerable populations.

In conclusion, climate change poses a grave threat to the right to food, affecting multiple dimensions of food security and disproportionately impacting vulnerable groups. Addressing this challenge requires a comprehensive and inclusive approach that considers the needs and rights of all, particularly those most at risk. International cooperation and commitment are essential to mitigate the adverse effects of climate change on food security and ensure the full realization of the right to food for all.

About the author

Sadia Khalid, early-stage researcher (ESRs), medical writer and research engineer at Tallinn University of Technology (TalTech), Estonia. She has been working on her PhD research project  “The role of Helicobacter pylori intestinal microbiota in the development of liver diseases. under supervision of Dr. Pirjo Spuul at Faculty of Science, Institute of Chemistry and Biotechnology.,TalTech. Her current research interests include Molecular Medicine, cell biology, infectious diseases, bacteriology, hepatology, and gastroenterology. I believe in the mission of public health, safety, and awareness.