COP30 Outcomes for the Built Environment: From Sustainable Cooling to Climate Adaptation Commitments

AquaPraça floating cultural plaza designed by CRA-Carlo Ratti Associati and Höweler + Yoon at COP30. Image © Leonardo FinottiOn November 21, 2025, the closing day of the 30th edition of the Conference of the Parties (COP) took place, the yearly gathering of United Nations member states to negotiate international climate agreements and assess global progress toward emissions reduction. This year, the event was held in Belém, Brazil, a port city of fewer than 1.5 million pe