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On 1–3 October 2025, over 70 urban leaders, climate experts, and changemakers gathered in Malmö, Sweden, for the annual Union of the Baltic Cities Sustainable Cities Commission meeting. Under the theme “Creating Climate-Proof and Nature-Positive Cities Together,” the event became a powerful platform for cities across the Baltic Sea Region to collaborate on urgent environmental challenges – and the solutions needed to meet them.

We are happy to announce that the 2025 disclosure cycle of the CDP-ICLEI Track is opening tomorrow on June 18!

The Urban Biodiversity Parks project pilots the concept of a biodiversity park as a tool for urban ecological restoration and regeneration. The aim is to establish a 20-hectare biodiversity park that provides a platform for testing various nature management activities, focusing on local species and habitats, while also serving as a space for community engagement and experiential learning.

Unveiling the background story of the Urban Biodiversity Parks Project and understanding what it sets out to achieve.

This seminar was titled “Sustainable transformation for resilient coastal city”, focusing on three areas of the hosting city of Gdańsk: two parts of the harbour zone and the area next to the football arena built for UEFA Euro 2012. The aim of the seminar was to provide new functional visions for these areas, prepared by the teams of international experts from UBC member cities in line with the hosting city’s strategic objectives.

Our Sustainable Cities Commission co-created the spring 2024 edition of the Baltic Cities Bulletin under the topic "Towards green and just transition"!

Malmö, a leading city in sustainable development, has undertaken a determined path towards achieving carbon neutrality by 2030. With ambitious targets, agile roadmaps, and strategic partnerships, the city is not only focused on climate neutrality but also ensuring an inclusive, just and equitable climate transition.

The 2023 CDP disclosure period has marked a continued commitment to environmental transparency within the Union of the Baltic Cities. 14 cities stepped forward to publicly disclose their environmental data.

Mid-September is the perfect time to visit Turku, an ambitiously smart and sustainable city in Finland, working towards reaching carbon neutrality already in 2029. Turku is built around the river Aura – but what’s more important (at least where the international cooperation is concerned), it also stands on the shores of the Baltic Sea. Like in many other cities, for a long time Turku citizens have had a limited access to the sea due to different industries and port activities.

Viable Cities is a strategic innovation programme focusing on the transition to climate-neutral and sustainable cities. Get to know how they support the Cities Mission among 23 Swedish municipalities!

UBC members Turku, Lahti, and Malmö are taking three times as many mitigation and adaptation measures as other cities to become climate neutral before 2050 and have received the highest award from CDP for their efforts.

The report "Voluntary Local Review: A bridge between global goals and local reality" brings experiences and opportunities of the VLR process in the Baltic Sea Region.