Future Food Systems
Growing a sustainable and healthy world
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About the talk

In this compelling talk, Aifric O’Sullivan from University College Dublin explores the future of food systems and the career opportunities emerging in this dynamic field. She highlights the challenges of population growth, climate change, and greenhouse gas emissions, showcasing how the food and health industries are evolving through innovation and sustainability. O’Sullivan also discusses the key skills future graduates need—including adaptability, cultural confidence, and expertise in sustainability—and emphasizes how new careers are constantly emerging in this ever-evolving sector.

About the speakers

Speakers: Aifric O’Sullivan
Job Title: Assistant Professor at UCD School of Agriculture and Food Science, Principal Investigator at the UCD Institute of Food and Health, and Vice Principal (International) at UCD College of Health and Agricultural Sciences
Location: Ireland

Her research focuses on how diet, metabolism, genes, and the environment interact to shape personalized, sustainable nutrition strategies. A key area of her work addresses vitamin D deficiency prevention, while her broader research explores the transition to sustainable, healthy diets across Ireland and Europe.

Dr. O’Sullivan leads a team of researchers, teaches at undergraduate and postgraduate levels, and serves on multiple scientific committees. She is also a Vice Chair of UCD’s Childhood and Human Development Research Centre and represents the Royal Irish Academy on global meat alternative discussions. Passionate about transforming food systems for a healthier future, her work bridges science, sustainability, and nutrition innovation.

Talk FAQs

What are the major global challenges impacting the sustainability of our food systems?

The world faces several interconnected challenges: a growing global population demanding more food, land and water shortages limiting production capacity, and significant climate change driven by greenhouse gas emissions. These factors threaten the environment and potentially disrupt human livelihoods and health, with events like droughts projected to displace hundreds of millions of people. Reducing greenhouse gas emissions is crucial to prevent projected disasters.

 

How is the food and health industry contributing to greenhouse gas emissions, and why is it a concern?

Agriculture’s direct contribution to greenhouse gas emissions is estimated at around 18.4%, but when factoring in the food industry and related transportation, the total contribution is closer to 30%. This is significant, especially considering the need to increase food production to feed a growing population while simultaneously reducing environmental impact. Animal-sourced foods also tend to have a higher environmental impact compared to plant-based foods.

 

What adaptations are needed throughout the food system to ensure sustainability and health?

Adaptations are needed at every stage, including increasing biodiversity in food production, developing technologies to reduce emissions, using waste streams to create novel ingredients, creating new sustainable food products like plant-based alternatives, developing sustainable packaging, and changing consumer behavior to promote more sustainable diets. These changes must also meet nutritional requirements.

 

What career opportunities are emerging in the field of sustainable food systems?

There is a growing demand for professionals with expertise in sustainability, including sustainability managers, advisors, and consultants across the entire food system. Other roles include AgTech specialists and engineers with sustainability expertise, food scientists and technologists focused on sustainable practices, health professionals addressing dietary changes, and representatives in government and international organizations.

 

What skills are essential for graduates seeking careers in sustainable food systems?

Beyond a strong knowledge base and technical skills like data analysis, graduates need cultural competence, critical thinking, innovation, and adaptability. They must be forward-thinking, able to adapt to new challenges, and possess strong change management abilities. Excellent communication skills are also crucial for influencing consumer behavior and policy.

 

How can parents and students explore potential career paths in food systems and sustainability?

Encourage participation in programs and projects related to science, sustainability, and environmental awareness. Engage in conversations about food production systems, sustainability challenges, and personal interests. Explore websites and videos related to sustainable food production and the broader science and engineering aspects of the field. Focus on developing skills in areas like change management and innovative thinking.

 

What are some examples of programs at University College Dublin (UCD) that prepare students for careers in sustainable food systems?

UCD’s College of Health and Agricultural Sciences offers a range of programs, including Agricultural Science, Agri-environmental Sciences, Food Science, Human Nutrition, and the Sustainable Food Systems program. These programs incorporate sustainability principles and offer opportunities for research, industry experience, and international study.

 

What are some of the key components of UCD’s programs that contribute to graduate success in the field?

UCD’s programs incorporate industry-led teaching, research opportunities, study abroad programs (cultural competence), and mandatory professional work experience (skill development). These components provide students with practical experience, global perspectives, and essential skills for success in their chosen careers.

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