Green City Day 2025:
A day to rethink the city of tomorrow
On Thursday, December 4, 2025, Paysalia is dedicating an entire day to the challenges of urban greening with Green City Day, a flagship event designed for local authorities, elected officials, urban planners, and green space managers. In the face of climate and environmental challenges, this day aims to raise awareness, support, and inspire local stakeholders by offering them concrete, sustainable, and innovative solutions to transform our cities.
Organized around three main themes — A cooler city, A greener city and A healthier city — Green City Day highlights integrated approaches where nature becomes a central lever for improving quality of life, strengthening urban resilience and promoting biodiversity.
A program rich in exchanges and expertise
A program specially designed for local authorities, to highlight innovative and sustainable solutions for greening cities and developing urban green spaces.
- 10:00 a.m. – 10:45 a.m.: Green City Day Opening Conference
- 11:00 a.m. – 12:00 p.m.: "A Cooler City" Conference
- 12:00 p.m. – 1:30 p.m.: Cocktail Luncheon in the Mezzanine Area
- 1:30 p.m. – 2:30 p.m.: "A Greener City" Conference
- 2:30 p.m. – 3:30 p.m.: Private Tour of the Carré des Jardiniers with the Finalists and the Jury
- 3:30 p.m. – 4:30 p.m.: Discovery of the Saint-Etienne Greening Project
- 4:30 p.m. – 5:15 p.m.: "A Healthier City" Conference
This day is supported by an Ambassadors Club, bringing together French and international cities involved in urban greening projects, as well as numerous partners such as AITF, Hortis, FFP, Plante & Cité, UNEP, and many others.
