TOP SEC

Proposal

The TOP SEC project, led by the Barcelona Metropolitan Area (AMB) and financed by European funds, aims to strengthen urban resilience to climate change through the implementation of naturalized and self-sustaining ecological roofs with no need for irrigation. To achieve this, an innovative substrate made with biochar from organic waste digestate is being developed, along with the selection of optimal plant species for these low-maintenance environments.

Therefore, the project seeks to promote urban biodiversity, reduce urban heat island effect, and efficiently utilize organic waste. This will be achieved by conducting pilot tests in four buildings and developing a participatory program to engage the community and foster a mindset shift towards a more sustainable city.

Objectives

  • Develop an irrigation-free roof renaturalization solution that is economically viable, has high water-holding capacity, and improves biological conditions for plant and animal species. This solution includes a local substrate (km0) made from municipal organic waste-derived biochar and local sustainable materials.
  • Increase urban biodiversity by expanding vegetated surfaces in the built environment.
  • Establish an alternative method to valorize the digestate from selectively collected municipal organic household waste.
  • Promote the reuse of urban waste and its transformation into sustainable and high-quality products within the region.
  • Create market opportunities for this byproduct.
  • Encourage the active participation of various stakeholders in all phases of the project, fostering their involvement in the design and implementation of the roof solution.
  • Raise awareness among the population by generating greater interest, motivation, and acceptance of ecological roofs, urban renaturalization, and energy cultures, facilitating their adoption across the metropolitan area.

Approach

Cíclica is the partner responsible for developing the integrated participation program, aiming to involve the community of stakeholders and raise public awareness, fostering a mindset shift among all parties involved in the project. This includes stakeholders from the design and implementation of the roofs to the users, building residents, and professionals involved in future replications.

The program promotes active participation of local communities through collaborative processes and awareness-raising activities on energy rehabilitation and nature-based solutions (NBS). To achieve this, various action lines will be deployed:

  • An Integrated Participation Plan: Define a participation, education, and awareness strategy throughout the TOP SEC project to guide workshops among the project’s technical stakeholders, those directly involved in the buildings where interventions take place, and other social actors.
  • Workshops with external professionals and with building maintenance staff to complement the technical design process of the substrate for the roofs.
  • Sessions with building users and other local communities to raise awareness, inform, and promote a shift in energy culture, emphasizing the benefits of implementing TOP SEC on building rooftops. Through this work, the project aims to educate people on how ecological roofs can improve sustainability and reduce the environmental impact of buildings. Additionally, it serves as an educational tool that allows citizens, especially those living or using the buildings, to better engage with their living spaces. This, in turn, encourages greater involvement in the maintenance and care of buildings while fostering an understanding of energy renovation processes and the importance of nature-based solutions (NBS) in improving the urban environment.
Authorship

Partners of the Project: AMB - Cornellà City Council - IMPSOL - ITeC - University of Lleida (UdL) - INGELIA - Bruc Jardí SL - ASESCUVE - Cíclica - Municipality of Petroupoli - Borough 9 of Rome, “EUR” neighbourhood - Toulouse Metropole.External Collaboration: Joana Calsamiglia

Funding

The project was selected by the European Urban Initiative (EUI-IA) and funded by the FEDER program.

Year of the project

2024 - 2028

Link

Date

27 de March de 2025

Category

Energy cultures, Highlights, Territory and landscape