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The European Union wishes to achieve a zero-emission building stock by 2050, by boosting renovation rates and reaching for the highest possible energy efficiency of buildings.
Seven cities have been shortlisted by the European Commission to enter the final stage of the 2026 competition following an assessment prepared by a panel of independent experts.
A recent event in Badajoz, Extremadura - where the Covenant of Mayors is not yet as embedded as in other Spanish regions - showcased the initiative's potential to enhance municipal energy and climate efforts.