Europe’s largest event for sustainable cities.


Here we come, Rotterdam!

June 16-18 | 2021

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The programme of our conferences is shaped to a huge extent by amazing organisations, each of them focusing on slightly different thematic areas, coming from different regions of the world facing different urban challenges.

Without them, our community and our conferences would just not look the same. We’re proud to call them friends.

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A City Made By People

A City Made By People is an international network of city enthusiasts, collaborating and celebrating liveability in cities. Through engaging content (online + print) and local programming (events + activities), it’s our mission to enable meaningful connections so we can create a more liveable city together. #acitymadebypeople


ACT NOW Mayors' Network

Since many municipalities face similar challenges, ACT NOW brings together like-minded local leaders to foster hands-on mutual support and best practice exchange to bring about concrete local action.


All Things Urban

All Things Urban is a network of urban professionals working on city challenges worldwide. They share handpicked career and educational opportunities in areas of urban planning, studies and design and connect thousands of passionate urbanists to real-world projects.



ANCI is the Italian Association of Cities and Municipalities. It represents local governments at the national level and promotes sustainable urban development through the participation in EU co-funded projects.


ANCV National Association of Green Roofs

ANCV highlights the enormous importance, and the numerous contributions that green infrastructures can give to the possibility to create healthy, sustainable, biodiverse and resilient urban territories.


APAP - Portuguese Association of Landscape Architects

Founded in 1976, APAP is the only association representing the professional class of landscape architects in Portugal. Landscape architects combine the study of art, environmental sciences and architecture, so sustainable cities are one of APAP’s main focuses.



Aurora is a European program for young people (18-20) who want to become the game changers of the XXI century, the ‘Aurora Fellows’. It aims at training Fellows capable of generating a positive impact on the world.



Digitisation, automation and decarbonisation not only have an impact our mobility behaviour, they also change our societal model. As a consulative agency, AustriaTech supports the active shaping of these transformation processes in the field of mobility.


Vertical Farming

The AVF is the leading global, non-profit organisation that enables international exchange and cooperation in order to accelerate the development of the indoor/vertical farming industry.



Beta-i is an organization created to boost entrepreneurship, and its mission is to foster a true innovation culture. Beta-i runs Smart Open Lisboa (SOL), a startup program focused on the validation and integration of innovative solutions meant to upgrade the citizens’ life.



BlueCity serves as a breeding ground for 30+ innovative, circular companies linking their waste-streams within an abandoned waterpark. It’s BlueCity’s goal to provide start-ups and scale-ups with access to circular resources, knowledge, and talent, to turn ideas into action and ultimately: to help sustainable entrepreneurs grow from intention to impact.



BYCS works with businesses, governments and non-profits to initiate and scale breakthrough ideas that accelerate cycling in cities. In this way they unlock massive social, environmental and economic gains for everyone.



C40 Cities connects 94 of the world’s greatest cities to take bold climate action. Representing 700+ million citizens and a quarter of the global economy, mayors of the C40 cities are leading the way towards a healthier and more sustainable future.



CDP drives companies, cities and regions to reduce their greenhouse gas emissions, safeguard water resources and protect forests. Its platform is one of the richest sources of information on how local and regional governments are driving environmental change.


CIC Rotterdam

 Acting as a gateway to Europe, CIC Rotterdam expands the existing community of entrepreneurs, investors and established businesses, fostering innovation and providing offices, co-working, and event spaces.


Circle Economy

Circle Economy connects and empowers a global community with a powerful combination of practical and scalable solutions to create systemic transformation and turn circular opportunities into reality.


Circular Change

Circular Change recognises and shares good circular practices, promotes activities in the international space and connects actors at the city level within ECESP, Circular Hotspot, EMF, OECD Cities and many more.


Circular Oslo

Circular Oslo is promoting a multi-stakeholder collaborative environment to accelerate the transition toward a Circular Oslo Region by bridging bottom-up and top-down initiatives and mapping them to identifying their social, economic and environmental impact and connections to the UN’s Sustainable Development Goals.


Cities Forum

CITIES FORUM is a global organisation with a multidisciplinary international group of experts in the breadth of topics related to sustainable urban development. It aims at being catalyst, working with cities, companies and organisations to address and solve their urban and sustainable development challenges more efficiently.


CIVITAS Handshake

In CIVITAS Handshake, three “Cycling Capitals” – Amsterdam, Copenhagen and Munich – are guiding ten “Future Cycling Capitals” on their mission to become bikeable for all. In the process, it is showing cities of all types the way to improve conditions for cycling as an everyday mode of transport.


Climate KIC

EIT Climate-KIC is a knowledge and innovation community that tackles climate change through innovation. With over 350 formal organisational partners from across 25 countries, they work on innovation to mitigate climate change and to adapt to its unavoidable impacts.



The CNCA is a collaboration of leading global cities working to cut greenhouse gas emissions by 80-100% by 2050. The Alliance addresses what it will take to achieve these reductions and how cities can work together to meet their goals.


Council of European Municipalities and Regions

Representing 130,000 towns, cities, regions and their networks, CEMR is committed to sustainable cities in many ways. In the EU and beyond, they advocate for suitable legislation, share knowledge, and gather Europe’s top experts on the climate & energy transition, waste and mobility.


Covenant of Mayors

As part of the European Covenant of Mayors movement, more than 10,000 cities and towns take action to secure a better future for their citizens. They pledge to contribute to the EU 40% GHG reduction target by 2030, and develop strategies for mitigation and adaptation to climate change, and alleviate energy poverty. Join the movement!


Creative Bureaucracy

In times of seismic shifts in our cities marked by climate-change, gentrification, overtourism, digitalization and populism, the Creative-Bureaucracy-Initiative aims to strengthen the public administration. As a creative, adaptive bureaucracy it can serve as the backbone of a future-oriented society.


Deutscher Städtetag / German Section of the CEMR

The German Section of the CEMR represents more than 800 municipalities which are committed to foster the European idea on a local level. They promote and support town twinning as well as the exchange of good practices, and advocate the strengthening of municipalities on a European and global level.


DGNB German Sustainability Building Council

The aim of the DGNB is to promote sustainability in the construction and real estate industry and instil awareness of building sustainability among the broader population.



Design and Architecture Norway (DOGA) is a driving force behind sustainable value creation through design and architecture. We facilitate collaboration between creative talents and businesses and work to strengthen the role of design and architecture in shaping the Norway of tomorrow.



DRIFT is a leading research institute in the field of sustainability transitions. We develop and share transformative knowledge to support people, cities, sectors and organisations to engage proactively with transitions.


Dutch Cycling Embassy

The Dutch Cycling Embassy is a Public Private Partnership which represents a large network of 70 organizations offering the best of Dutch cycling knowledge and expertise, translating success stories from The Netherlands to countries and cities around the world.


ECN European Crowdfunding Network

The European Crowdfunding Network AISBL (ECN) is a professional network promoting adequate transparency, (self) regulation and governance while offering a combined voice in policy discussion and public opinion building.



ECOLISE, the European network for community-led initiatives on climate change and sustainability, responds to the unprecedented ecological, social, economic and political threats to dignified life on planet earth. Members include international networks such as Transition Network, Global Ecovillage Network, Permaculture movement and ICLEI.


EIT Urban Mobility

EIT Urban Mobility is a pan-European partnership of around 50 businesses, education, research excellence institutions and multifaceted cities. Its aim is to facilitate and fund the collaboration between these players to create mobility solutions that will accelerate the transition towards more liveable urban spaces.


El Desafío Foundation

El Desafío Foundation is a non-profit organization working in The Netherlands and Argentina, fighting poverty trough human and community development using sports, mobility, the creation of happy cities and social capital.


ELG E-Learning Group

The E-Learning Group offers academic education programs merely online, targeted at changemakers on all different levels, working on the intersection of sustainability, digital transformation, data management, behavioral change, and public health.


Ellen MacArthur Foundation

The Ellen MacArthur Foundation was launched in 2010 with the aim of accelerating the transition to the circular economy. Since its creation, the charity has emerged as a global thought leader, putting the circular economy on the agenda of decision-makers across businesses, governments, and academia.


Erasmus Centre for Urban, Port and Transport Economics

Erasmus UPT is a research and education centre founded by Erasmus University Rotterdam. They provide governments and industry with cutting-edge knowledge, international best practice advice and workable policy recommendations.



EurEau is the voice of Europe’s water sector. They represent drinking water and waste water operators from 29 countries in Europe and bring national water professionals together to agree on European water sector positions regarding the management of water quality, resource efficiency and access to water for Europe’s citizens and businesses.



EUROCITIES is the network of major European cities. Their objective is to reinforce the important role that local governments play in a multilevel governance structure and aim to shift the focus of EU legislation in a way, which allows city governments to tackle strategic challenges at local level.



Eurotowns is the Europe-wide network for medium-sized cities with populations between 50,000 and 250,000. Today it represents 18 cities across the European Union. Eurotowns is working towards a more sustainable future for the citizens of Europe. Its mission is to foster collaboration among EU medium-sized cities and to help shaping their policies in line with our common European values and objectives.



Euroheat & Power is a unique network of energy organisations and professionals, connecting industry players, decision-makers and academia to jointly drive sustainable heating and cooling.


European Urban Knowledge Network

The EUKN EGTC is a network of EU Member States, working at the interface between urban policy, research, and practice. As a strategic knowledge partner of national governments, it brings together urban stakeholders at different governance scales to co-produce knowledge, informing policy and agendas on key urban and sustainable development challenges.



FEDARENE (European Federation of Agencies and Regions for Energy and the Environment) is the premier European network of local and regional agencies and regions, counting over 80 members across 23 European countries. Since 1990, it has been bringing Europe and its regions closer together in their common transition towards clean and efficient energy.


Future Mobility Center

The Future Mobility Center unites the competences of RWTH Aachen University in the field of mobility research. Together with their partners, they develop sustainable solutions for the mobility of tomorrow. It’s their goal to provide an interdisciplinary platform for cooperation between science, industry and politics.



FutureBuilt generates and promotes low carbon architecture and urban development in the Oslo region.


GBCI Europe

GBCI Europe is a local hub serving the needs of the European green building community by providing on-the-ground customer support for regional project teams and stakeholders.


Germany - Land of Ideas

Germany’s image is shaped by a number of economic, geographic and cultural factors. Like any location, however, it is primarily defined by its people. The people of Germany, their ideas, and their activities are the bedrock of its society and provide cohesion. The ‘Germany – Land of Ideas’ initiative provides a platform for them.


Global Parliament of Mayors

A unique governance body of, by and for mayors from all continents with a vision to the world in which mayors, their cities and networks are equal partners in building global governance for an inclusive and sustainable world. The Global Parliament of Mayors unites, aligns, and amplifies the voices of mayors in global strategy debates with nation states and international organizations such as the United Nations.



Graphmaster’s award-winning collaborative routing technology is successfully used for dynamic last mile optimizations (increasing efficiency by up to 30% and productivity by up to 20%) and for real-time traffic/event management. It can improve traffic flows by up to 30%, reducing traffic jams and emissions.


Het Nieuwe Instituut

The Het Nieuwe Instituut encourages intersectional thought, gives visibility to research projects around sustainable cities or exhibits critical exhibitions.



The current urban challenges require new ways of thinking and doing. As an agency for urban change, Humankind’s creative, multidisciplinary approach combines urban planning, social innovation and urban change strategies to turn visions into actions.



H22 – A Smarter City is a long term investment in innovation and sustainable urban development by the City of Helsingborg, Sweden. H22 is also a city expo in 2022 that aims to explore and lead the way to a smarter and more sustainable urban planning and city life.


IE School of Architecture & Design

As an educational institution, IE School of Architecture and Design has a responsibility to train future leaders who shape a more humane, sustainable world and create and disseminate knowledge. Understanding that urbanization is increasing at a pace and scale like never before, IE School of Architecture and Design has established the Center for Sustainable Cities, with a focus on the SDGs.


Impact Hub Lisbon

Impact Hub Lisbon enables purpose-driven individuals to create a bigger positive impact together – no matter what their background is. They are the place where dreamers, startups, entrepreneurs, investors, public institutions and corporates co-create a better future hand in hand.


The Innovation in Politics Institute

IPI improves democracy beyond party lines and across borders. They identify, develop, and implement tomorrow’s politics today as a non-partisan group of private European citizens. Together, they have established a Europe-wide service organisation for politicians and political institutions to help improve political work.


International Federation of Pedestrians

IFP is a network of non-profit associations and individuals from all over the world, working for pedestrians and liveable public space since 1963.



The International Society of City and Regional Planners (ISOCARP) is a global association of experienced professional planners. It brings together individual and institutional members from more than 80 countries worldwide. As an NGO, ISOCARP is recognised by the UN, UNHCS and the Council of Europe.


JPI Urban Europe

JPI Urban Europe is an intergovernmental research and innovation programme with the ambition to develop a European hub on urban matters and create solutions by coordinated research and innovation.


Climate and Energy Fund

The Climate and Energy Fund is a funding organisation established in 2007 by the Austrian Federal Government. It supports the implementation of the goals of the domestic climate policy and follows the roadmap of #mission2030, the climate and energy strategy of the government.



8 municipalities of Greater Porto founded LIPOR in 1982 to implement a modern and integrated waste management for 1 million inhabitants producing 500.000 tons/year of municipal waste. LIPOR’s motto – Towards Sustainability – defines LIPOR’s current and future action.



The MetroLab is a Think Tank and consulting service for the integrated urban development of metropolitan areas and city regions. Based on a co-creative and dialogue-oriented planning and design approach we develop innovative metropolitan strategies as well as place-based solutions to face the immensity of contemporary urban challenges.


National Association of Norwegian Architects - NAL

NAL is a leading supplier of knowledge in the fields of environment and sustainability. Through project collaboration with governments and national research resources they develop new approaches and bring out best practices and pilot projects focused on achieving change in practice.


Norwegian Green Building Council

Grønn Byggallianse is a non-profit association where businesses from the entire value chain in construction and real estate can be a member. They aim to develop the Norwegian construction and real estate sector so that consideration for the environment and sustainability will be the obvious choice.



Open & Agile Smart Cities (OASC) is a global network of smart cities and communities brought together by the ambition to improve the quality of life of their citizens through innovation and technology. Its mission is to unite cities around the world to agree on common, open standards that enable a global market for urban, data-driven services based on the needs of cities and communities.



Polis is the leading network of cities and regions cooperating for innovative transport solutions. Polis fosters cooperation and partnerships across Europe to make transport research and innovation more accessible.



scaling4good is a charitable think and do tank for diffusion and scaling of approaches towards a sustainable society. They identify how to grow, connect and replicate the great ideas and projects that pave the way to a better future.


Smart Urban Festival

The strategic tech event on creating futureproof cities in the Netherlands. A high end conference connecting professionals in the industries: real estate, urban planning, building, mobility, energy, finance, retail, logistics and city governments.



Sustainary is a global non-profit partnership platform with a goal to improve awareness of sustainable technologies and facilitate partnerships across sectors to implement these solutions.



The Transport Decarbonisation Alliance (TDA) accelerates the worldwide transformation of the transport sector towards a net-zero emission mobility system. 


Torino Stratosferica

Founded in 2014, Torino Stratosferica is a collective project of city imagining: an experiment in constructing visually based narrative and powerful imagery to highlight the potential of the city and leverage its positioning.



U-Shift is a research group who aims to address mobility and urban transportation problems by identifying and tackling problems via R&D projects, in partnership with the industry and using a diversified set of tools and methodologies.


Union of the Baltic Cities - Sustainable Cities Commission

UBC is a voluntary, proactive network mobilizing the shared potential of its member cities for democratic, economic, social, cultural and environmentally sustainable development of the Baltic Sea Region.


University of Applied Science Technikum Wien

By working closely with (non-)university-based research bodies, the energy industry, and other Austrian companies, and by acting in an advisory capacity to politicians and public bodies, UAS Technikum Wien is constantly striving to expand R&D activities  in accordance with the strategic direction set by national and European innovations.



In co-creation with innovation hubs, large corporations, investors and entrepreneurs, Up!Rotterdam connects and strengthens initiatives to provide easier access to talent, international markets and financing. This gives  innovative entrepreneurs who contribute to a sustainable, circular and digital city in the new economy the space to grow.



URBACT enables cities to work together and develop integrated solutions to major urban challenges, through networking, sharing knowledge, and building capacities for urban practitioners.


Urban Agenda Partnership on Innovative and Responsible Public Procurement

The Urban Agenda Partnership on Innovative and Responsible Public procurement driving change towards sustainable cities by using Public Procurement as a strategic tool.


Urban Innovation Vienna

Urban Innovation Vienna is the competence centre for future urban issues in Vienna. Our core mission is to assist in accomplishing future urban tasks with interdisciplinary expertise.



Urban Arenas for Sustainable and Just Cities is a European Union Research Programme that aims to synthesize and broker knowledge for sustainable and just cities generated by prior research and innovation projects, and translate this knowledge into action.



Urbanólogo addresses current issues related to urban and territorial dynamics with emphasis on the Portuguese context. It is aimed at all those who work and investigate the territory and the social space, and seeks to disseminate research and practices for a more sustainable city.


Vital Cities and Citizens

As an interfaculty collaboration among three Erasmus University faculties, the VCC program studies and engages with cities and its communities from a social, behavioral and humanities point of view. VCC advances our understanding of the ways in which social and cultural transformations affect quality of life in cities, and helps cities thrive.



WBCSD unites over 200 leading businesses, which all work together to accelerate the transition to a sustainable world. They work with companies along and across value chains to deliver impactful solutions.


World Future Council

The World Future Council Foundation facilitates capacity building processes for the production of solution-oriented knowledge, articulation of partnerships, and mobilization of resources in order to enable conditions for the transformation of climate and energy policy towards a just, low-carbon and climate-resilient development of cities.


World Green Buliding Council

The World Green Building Council unites Green Building Councils in around 70 countries. Collectively, their goal is to eliminate the building and construction sector’s carbon emissions by 2050. WorldGBC takes action and is building a better future for everyone, everywhere.



WWF plans and designs the communities and cities of the future. They offer services in the fields of consulting, engineering, environmental technology, and architecture.


Youth Climate Leaders

Youth Climate Leaders (YCL) catalyzes climate action by providing youth with training, networks and concrete opportunities to start their careers in the field of climate change.



The Zoom Global Smart Cities Association are experts for smart city related challenges. They help cities, companies and all kind of organizations by developing inclusive action plans and roadmaps for each individual case.