We promote the circularity of biowaste in the city of Porto.

CityLoops is a project funded by the European Union, focused on biowaste and construction and demolition waste. Seven European cities are involved in this project, namely: Apeldoorn (Netherlands), Bodø (Norway), Høje-Taastrup and Roskilde (Denmark), Mikkeli (Finland), Porto (Portugal) and Seville (Spain).

These cities are promoting a series of demonstration actions and activities aimed to achieve greater circularity of materials. To this end, more than 30 new tools and procedures have been developed and are being tested, involving 28 partners.

"CityLoops aims to provide a tested model that promotes circularity and that other local and regional governments across Europe can follow," said Simon Clement, coordinator of ICLEI - Local Governments for Sustainability, a network of cities responsible for leading the CityLoops project.

Learn more about the project at

Cityloops at Porto

For the city of Porto, the partners involved in the project development are: Porto City Council; Porto Municipal Environment Company (Demonstration Manager), LIPOR and 2GO OUT Consulting. Together, 5 demonstration actions are being developed for the promotion of the circularity of Biowaste in the city of Porto:

  • Selective Collection of Food Waste and Local Treatment:
    • 2 Community composting spaces (Amial and Paranhos);
  • The circularity of local biowaste: tourism and social areas;
  • Sustainable Certification for Green Areas;
  • Ideas Competition for the circularity of biowaste (FoodLoop);
  • Food Donation Network for Waste Reduction (Zero Waste);

As a complement, were developed tools to support the circularity of biowaste:

  • Predictive Tool for the reduction of food waste: a predictive mathematical model that aims to support in the daily management of meal/menus planning, avoiding food waste;
  • Circularity Decision Support Tool: identifies the circularity level of entities and suggests a set of actions to be implemented to improve it (Social Institutions, Hotels and Restaurants, among others);
  • Tool for the Certification of Sustainable Green Spaces;
  • Intelligent tool to support selective collection;
  • Guidelines for Circular and Sustainable Procurement for Food and Green Spaces "Porto Circular Procurement Guidelines Tool":
    • Developed, with the support of LNEG - Laboratório Nacional de Energia e Geologia (National Laboratory for Energy and Geology), this tool aims to provide a set of recommendations/circular criteria to support the preparation of Public Procurement procedures for school meals/catering and green space maintenance available to all.

You can access the "Porto Circular Procurement Guidelines Tool" by clicking on the button below (document in Portuguese).
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