# Swedish municipal environmental sustainability rankings > Developing situation record from CLSTR: https://clstr.news/situations/swedish-municipal-environmental-sustainability-rankings > Updated: 2026-10-27T13:24:51.000Z. Sources: 6. Developments: 2. The 18th annual ranking of Sweden’s best environmental municipalities, conducted by Aktuell Hållbarhet, highlights various regional achievements in sustainability. In the initial reporting, Katrineholm was named the top performer in the small cities and towns category, ranking 10th overall among 290 municipalities due to efforts such as establishing new wetlands. Eskilstuna secured second place in the larger cities category, credited with systematic climate goal work including construction reuse and electric-powered equipment testing. The report noted that the inclusion of vehicle electrification metrics and changes in transport emissions influenced the rankings. Subsequent reports identified Tomelilla and Tranås as high performers. Tomelilla rose to 30th place overall and third in the small towns category, supported by a fossil-free vehicle fleet and carbon budgeting. Tranås was named the best environmental rural municipality, recognized for initiatives such as heat recycling, wetland restoration, and food waste reduction. ## Timeline ### 2026-10-27: Swedish municipalities recognized for environmental sustainability Tomelilla and Tranås municipalities have earned top rankings in Sweden’s 2026 environmental sustainability report for their long-term climate and resource management efforts. 2 sources. https://clstr.news/cluster/swedish-municipalities-recognized-for-environmental-sustainability ### 2026-10-23: Katrineholm and Eskilstuna recognized in Swedish environmental rankings Katrineholm was named Sweden's best small city for environmental sustainability, while Eskilstuna secured second place in the larger municipalities category in the annual Aktuell Hållbarhet rankings. 4 sources. https://clstr.news/cluster/katrineholm-and-eskilstuna-recognized-in-swedish-environmental-rankings --- Cite as: Swedish municipal environmental sustainability rankings. CLSTR, https://clstr.news/situations/swedish-municipal-environmental-sustainability-rankings