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Individual countries diet transitions.
New paper out on dietary transition!
New paper out on dietary transition!
12 February 2026, Environmental Research: Food Systems
Countries with rising incomes typically undergo a nutrition transition, marked by increasing consumption of animal-sourced foods and declining intakes of cereals and other plant-based products. However, large-scale, data-driven assessments of how diets worldwide align with this transition remain scarce. Here, we analyse dietary regimes in 188 countries, from 1970 to 2021, covering 370 food products, and identify a nutrition transition occurring at the global scale. On average, every tenfold increase in a country’s per capita gross domestic product corresponds to a 13% rise in the dietary share of calories supplied by animal products and to a 15% decline in the share supplied by cereals. Nonetheless, in several high-income countries, such as Canada, Finland, Norway, New Zealand, Switzerland, and the UK, the dietary composition diverges from global trends, exhibiting declining caloric shares from animal-sourced foods alongside rising contributions from cereals and plant-based products.
EGU26
EGU26
3rd-8th May 2026 - Vienna (Austria)
You will find us in multiple sessions:
Giulia Cigna will present a PICO contribution titled "Evapotranspiration shed of agriculture: combining agro-hydrological estimates with atmospheric moisture dynamics" in Session BG3.22 – Modelling Agricultural Systems under Global Change.
Convener: Christoph Müller | Co-conveners: Elena De Petrillo (ECS), Christian Folberth, Oleksandr Mialyk (ECS), Han Su (ECS)Elena De Petrillo will present a PICO contribution titled "Irrigation boosts precipitation on cropland for international trade through atmospheric moisture transport" in Session HS7.9 - The atmospheric water cycle under change: feedbacks, land use, hydrological changes and implications.
Convener: Lan Wang-Erlandsson | Co-conveners: Gonzalo Miguez Macho, Fernando Jaramillo, Imme Benedict (ECS), Christoforos Pappas
Francesco Semeria will present an oral contribution titled “Tracking agricultural water footprint and virtual water trade across global food systems over the period 1961–2023” in Session HS12.9 – Resilience at the freshwater–society–ecology nexus: Methods, data, and perspectives across local to global scales.
Convener: Xander Huggins (ECS) | Co-conveners: Md. Rezuanul Islam (ECS), Vicky Anand (ECS), Qing He (ECS), Elisabeth Krueger, Vili Virkki, Wei Wang
OECD technical workshop on Water Risks and Agriculture
Paris, November 2025
Marta Tuninetti and Elena De Petrillo participated in the technical workshop organised by the OECD as invited experts to discuss state-of-the-art, ready-to-use tools and approaches for anticipating and monitoring water risks for agricultural production. The workshop brought together OECD delegates and a broad range to set the path for embedding evidence into policy and decision-making processes. The outcomes will inform an OECD Policy Paper to be published in summer 2026.
Seminar - UNESCO Chair in Sustainable Development
Turin, September 2025
The seminar was part of the National Program of Recovery and Resilience (PNRR) activities, organised by the Italian Network of Artistic Research and the World Art Education Expo 2026 at the Accademia Albertina in Turin. It was organised in collaboration with the UNESCO Chair in Sustainable Development and Territorial Management at the University of Turin and the PhD programme in New Media and Critical-Curatorial Practices of Contemporary Creation at the Accademia Albertina. Elena De Petrillo was an invited speaker and brought scientific insights from socio-hydrological research applied to food system transitions.
Press
Press
"ERC Starting Grant: Double success of Politecnico di Torino in Europe " - polito.it
"Dalla Ue 3 milioni a due progetti di ricerca del Politecnico" - ansa.it
"Marta Tuninetti vince l’ERC Starting Grant con il progetto TIP-FRESH" - coltivato.com
"Due ricercatrici del Politecnico conquistano quasi 3 milioni dall'Europa" - torinocronaca.it
"Due ricercatrici del Politecnico e un ricercatore di UniTo ottengono tre finanziamenti del Consiglio europeo della ricerca" - quotidianopiemontese.it
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