Irstea, now known as INRAE, was a French public research institute focused on environmental and agricultural sciences. Established in 1959, it aimed to address challenges related to water, soil, and ecosystems, promoting sustainable development and resource management. The institute conducted interdisciplinary research, collaborating with various stakeholders, including local governments, industries, and academic institutions. Its work contributed to understanding environmental issues and developing innovative solutions for sustainable agriculture and water management, ultimately supporting public policies and enhancing ecological resilience.