Global Secretariat of Global Covenant of Mayors for Climate and Energy organised a five-day Open House at International Press Centre and Hotel NH Berlaymont in Brussels from Jan 23-27, 2023. Representatives of regional covenants, country representatives, and delegations from partner organisations, including the European Commission, Bloomberg Philanthropies, GIZ, ICLEI, DAI, and UCLG Global, among others, were present in-person to participate in a series of meetings, knowledge-sharing sessions, technical working group presentations, and interactive city-to-city exchange sessions.