A summary of outcomes from the GlobalABC Annual Assembly 2026, marking ten years since the Alliance's founding at COP21. The document covers a decade of collective impact, GlobalABC's growth to 430 members across 75 countries, progress through the ICBC including the Belém Call for Action and preparations for COP31 in Antalya, and six member-led achievements spanning near-zero emission buildings, adaptation, circularity, procurement, digital building passports, and sustainable materials. It closes with strategic priorities for accelerating country-level delivery towards 2030.