Niterói Experiences: Orla Piratininga Park – Nature-Based Solutions, and Caminho Niemeyer

Sustainable Ocean Region Program Team/Niterói City Hall

Project implementation: Brazil
Project development: Brazil

Piratininga Waterfront Park (POP) represents a milestone in urban planning and environmental management in Brazil, serving as both an urban public park and a living laboratory of sustainability. Its innovative design is based on the adoption of Nature-Based Solutions (NbS), a strategy that combines green infrastructure with ecological restoration to aid in the recovery of Piratininga Lagoon.

To this end, three large constructed wetland systems were implemented, capable of naturally filtering water from the urban basins of the Cafubá River, the Arrozal River, and the Jacaré River. These systems occupy an area of approximately 35,000 m² spread over two linear kilometers along the lagoon. They treat water from the main contributing rivers, as well as surface runoff and drainage from neighborhoods, reducing the input of sediment and pollutants into the water body and promoting the gradual recovery of the lagoon's environmental quality.

Associated with this solution, there is also the restoration of Atlantic Forest connectors in surrounding wetlands, which reinforce ecological connectivity, expand habitats for local fauna, and strengthen ecosystem services provided to the population.
In addition to environmental restoration, the park was also designed as a space for social and cultural integration. The Ecocultural Center, a facility dedicated to environmental education and cultural activities, seeks to raise awareness of the importance of preservation.

The Park also includes cycle paths, piers for fishing and contemplation, leisure areas and sports centers, constituting a multifunctional infrastructure that promotes health, mobility, tourism and quality of life.

To showcase the functioning of constructed wetland systems and other types of NBS applied in the Alfredo Sirkis Piratininga Waterfront Park, the exhibition space will feature an audiovisual station showing documentaries and videos about Piratininga Waterfront Park and the Jacaré River Basin Renaturalization; and virtual reality headsets, offering an immersive experience in POP. A self-explanatory model will also demonstrate how constructed wetlands work.

We thank everyone who participated and visited the 14th São Paulo International Architecture Biennial, from September 18 to October 19, 2025

NOTE OF CONDOLENCE

With deep sorrow, the Brazilian Institute of Architects – São Paulo Department (IABsp) mourns the passing of architect and landscape architect Kongjian Yu, a global leader in ecological urbanism, and the members of his team who accompanied him, tragically killed during the filming of a documentary. The institute is honored to have had him as a participant in the 14th São Paulo International Architecture Biennial, where his transformative vision strengthened the dialogue between global challenges and local realities. IABsp emphasizes that Yu's contribution, which transcends borders, will remain an inspiration for generations and expresses its condolences to China, to the families of all the deceased, to his friends, and to all those impacted by his genius and dedication. Read the full note here.