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2. Questions and Answers on the Renovation Wave
https://ec.europa.eu/commission/presscorner/detail/en/QANDA_20_1836
3. Deadline 2020—How Cities Will Get the Job Done,2017
4. SDG11: Make Cities and Human Settlements Inclusive, Safe, Resilient and Sustainable
https://sdgs.un.org/goals/goal11
5. The 2nd recast of the Energy Performance of Buildings Directive (EPBD);Hogeling;EU Policy News Rehva J.,2018