Barcelona
- Academic/Scientific
- Barcelona Super Computing Center
- Cartographic Institute of Catalunya
- Barcelona Laboratory for Urban Environmental Justice and Sustainability
- LEITAT Technological Center
- IAAC – Institute for Advanced Architecture of Catalonia
- Public
- Area of Ecology, Urban Planning and Mobility
- Area of Ecology of the Metropolitan Area of Barcelona
- Waste Agency of Barcelona
- Aigües de Barcelona (waste water treatment)
- Institute of Regional and Metropolitan Studies of the Barcelona
- Department of Green Spaces, Biodiversity, Environment and Urban services of the city of Barcelona
- Catalan Office for Climate Change
- Environmental services. Sustainability and Territory management
- SMEs
- Campus Estela, ENT environment and Mangement, Sglobal, Materia verda Durán i Grau Architects
- Associations
- Economat Social cooperative
- Environmental association Bosc Turull
Oslo
- Academic/Scientific
- Norwegian Institute for Air Research (NILU)
- NTNU, Trondheim University
- NMBU, University of Norway
- CICERO Center for International Climate Research
- NIVA Norwegian Institute for Water Research
- SMEs
- Growlab
- Tason Microgreens
- BysPire
- Associations
- Oslo Green House
- Non-profit
- Foodstudio
- Kore Foundation
- Public
- Landbruksavdelingen, Fylkesmannen, Oslo og Akershus
- ByKuben, Oslo Kommune