The fourth edition of the Barcelona + Sustainable Agenda 2030 Awards from the Barcelona City Council has once again recognized and given visibility to extraordinary projects, initiatives, and actions in favor of sustainability and a more sustainable city, also from the field of architecture. The awards have distinguished initiatives aligned with the Sustainable Development Goals (SDGs) of the 2030 Agenda and with the Citizen Commitment for a More Sustainable Barcelona 2024-2034, with special recognition for architecture coinciding with the year of the World Capital of Architecture.