Smart City Expo World Congress is an annual international event held in Barcelona since 2011, bringing together leaders from businesses, governments, and organisations to advance urban innovation and sustainable cities. The congress focuses on turning urban challenges into practical solutions through collaboration, partnerships, and innovation to help create more sustainable, liveable, and resilient cities.
Wingspan 2026 explores how renewable energy infrastructure can be developed while protecting biodiversity and ecosystems. The conference brings together conservationists, scientists, electricity-grid operators, renewable-energy developers and policymakers to exchange practical solutions for nature-positive energy infrastructure. Topics include protecting birds and other wildlife around electricity grids and wind farms, biodiversity mitigation technologies and collaboration between energy and conservation stakeholders. A field excursion showcases practical nature-protection measures.
A four-day leadership and wellness retreat combining neuroscience-informed practices, personal development and dialogue among impact leaders.
Ecomondo is an international trade fair for the green and circular economy, bringing together businesses, researchers, policymakers and institutions to advance the ecological transition. It showcases technologies, policies and solutions for resource recovery, waste management, water, bioenergy, the bioeconomy and environmental restoration.
The 20th Strategic Energy Technology Plan (SET Plan) Conference brings together European and national policymakers, investors, industry representatives and researchers to discuss how clean energy technologies can strengthen Europe's competitiveness while advancing climate neutrality. The programme covers industrial decarbonisation, offshore energy, clean energy manufacturing, sustainable heating and cooling, non-fossil flexibility, and innovation in energy systems
The SAF North America Congress 2026 will bring together stakeholders from across the sustainable aviation fuel (SAF) value chain to accelerate the development, financing and deployment of lower-carbon aviation fuels in North America.
RE-Source 2026 takes place in Amsterdam on 4–5 November, celebrating 10 years of advancing corporate renewable energy procurement. The event brings together sustainability and energy professionals to explore topics such as electrification, carbon accounting, risk management, electric vehicle fleets, and heat pumps. A dedicated Buyers-only day takes place on 3 November for energy buyers, with a focus on clean energy deals, industrial transformation, and long-term energy resilience.
The Scientific Conference of the Nature-based Solutions International Congress brings together the international research community at Sorbonne University in Paris. Organised by the French National Research Program on Nature-based Solutions (Solu-Biod), Sorbonne University and Biodiversa+, the conference provides a forum for sharing and discussing research on design, implementation and evaluation of Nature-based Solutions (NbS).
Klimaattop Gebouwde Omgeving (Klimaattop GO) is a major Dutch sustainability summit focused on accelerating the transition to a more sustainable built environment. Bringing together approximately 3,000 professionals from government, construction, real estate, energy and finance, the event addresses the challenges of decarbonising buildings, scaling up circular construction, improving climate resilience and making sustainable housing and infrastructure affordable. Through keynotes, debates, interactive sessions and collaborative initiatives, participants work towards practical solutions, cross-sector partnerships and concrete agreements to accelerate the transition to a sustainable built environment.
The BAM! Bock auf Morgen Festival brings together businesses, sustainability experts, researchers, marketers and changemakers to explore how sustainability can become a driver of business success and wider societal transformation. The 2026 programme features keynotes, panel discussions, networking sessions and interactive masterclasses on climate action, sustainable finance, circular construction, food systems, fashion, beauty and sustainability communications.
The ZDHC Global Circularity Summit 2026, themed “Decoding the Chemistry Behind Scalable Circularity”, brings together stakeholders from the textile, apparel, leather and footwear industries to explore how safer chemical management can enable credible and scalable circular systems.
The 8th Summit for Space Sustainability is a high-level international conference focused on practical solutions for the long-term sustainability of space activities. It will bring together policymakers, space agencies, industry leaders, researchers and civil society to discuss responsible space governance, orbital sustainability, international cooperation and equitable access to space. This is the first edition of the Summit to take place in Latin America and the Caribbean
Clean Energy Transition Asia (CETA) 2026 is a regional clean energy summit and exhibition bringing together energy companies, project developers, utilities, investors, policymakers, technology providers and industrial buyers to accelerate the energy transition across Southeast Asia.
A sustainable-finance forum exploring how public and private capital can accelerate Asia's net-zero transition. Sessions cover sustainable investment, climate technology, nature finance, climate resilience, sustainable infrastructure and circular economy.
The Amsterdam Climate Week 2027 Public Kickoff takes place as part of Nationale Klimaatweek and is organized in partnership with Nationale Klimaatweek, with support from the City of Amsterdam and founding partners. This free public event will bring together founders, activists, policymakers, companies and other city stakeholders. The programme includes keynote speakers Kirstin Dunlop, CEO of Climate-KIC, and a senior representative from the City of Amsterdam, as well as the unveiling of the 12 thematic tracks. Attendees can network and learn how to get involved in the initiative.