For three days, the Capital was at the center of an international debate that intertwined science, ethics, and global health policy. From September 30th to October 2nd, theUniversità Campus Bio-Medico di Roma hosted the 4th International One Health Conference, an event that brought together over 30 world-renowned speakers, more than 100 scientific contributions, and representatives of national and international institutions. The underlying theme of the 2025 edition wasIntegral Ecology considered today an ethical and scientific key to guiding the transition towards healthier, more resilient and sustainable societies.

The approach One Health, which considers human, animal, and environmental health inextricably linked, was structured into a series of panels and thematic sessions that touched on the most pressing issues on the global agenda: from zoonoses and pandemic preparedness, to urban health and the impact of microplastics and emerging contaminants such as PFAS; from the challenges of climate change and environmental justice, to migration and the need for integrated health governance, without forgetting the importance of education and participation in strengthening scientifically informed citizenship.

"We are honored to host the One Health Conference 2025 at theUniversità Campus Bio-Medico di Roma We believe that moments like this are crucial for scientific discussion and cooperation. The conference's themes align with the University's vision, which places people at the center of every project and ambition, in line with the values ​​that inspired the institution's founding and in keeping with our long-standing motto: Science for Humanity. In all our training and research activities, we are guided by the awareness that human, animal, and environmental health are interconnected and essential elements for ensuring the well-being of people and the health of the planet. – has ofchiarato Carlo Tosti, President ofUniversità Campus Bio-Medico di Roma.

Among the international guests stand out Cristina Romanelli (WHO) Ilaria Capua (Johns Hopkins University), Martin Frick (World Food Programme – WFP), Giulia Carcasci (DO IT), Chadia Wannous (World Organization for Animal Health – WOAH) and Deborah Thompsons (One Health Lessons). On the Italian institutional front, among others, Amerigo Cicchetti e Pasqualino Rossi of the Ministry of Health, Alfonso Mazzaccara of the Higher Institute of Health and Francesco Corvaro, the government's special envoy for climate change. Hosting the event were Prof. Eugenio Guglielmelli, Rector ofUniversità Campus Bio-Medico di Roma, and the Professor Marcella Trombetta, Dean of the Departmental Faculty of Sciences and Technologies for Sustainable Development and One Health. Alongside them, as co-chairs of the conference, were speakers Margaret Ferrante (University of Catania), Dominic Vito (San Diego State University), Priscus Piscitelli (SIMA) and Rocco Santarone (ISDE Italy).

"We are really proud to have organized at theUniversità Campus Bio-Medico di Roma The fourth edition of the One Health Conference. For two days, we've brought together scientists from four different continents to present proposals and projects that can impact the future of the planet. For those of us who, like us, Università Campus Bio-Medico di Roma For over thirty years, it has been training future professionals, researching, experimenting and studying the close connection between man, the animal world and the environment. This event represents the natural outlet through which to further strengthen our role on the national and international scene and promote the One Health culture, in the wake of Pope Francis' encyclical "Laudato si'" - has ofchiarato Marcella Trombetta, Dean of the Departmental Faculty of Sciences and Technologies for Sustainable Development and One Health.

Ample space was dedicated to young researchers, with poster sessions and oral presentations to showcase the more than 100 abstracts selected in the international call. The 4th International One Health Conference confirms its role as a crucial event for redefining global health paradigms. The perspective of theIntegral Ecology It was the common thread that united scientists, institutions, policy makers, and civil society in a dialogue that transcended disciplinary barriers, with the aim of putting science and ethics at the service of the common good.