This edition of the sustainable finance product series explores the evolving landscape of transition finance and its growing role in accelerating the decarbonisation of hard-to-abate sectors. It presents an overview of global sustainable finance trends in Q1 2026, examines the latest policy and regulatory developments, highlights key transition finance instruments, and features global case studies demonstrating how innovative financing structures are enabling industrial transformation. The publication also explores the emergence of transition-labelled financial products, evolving disclosure standards, and sovereign and corporate financing models that are shaping the next phase of sustainable finance. Together, these insights provide a comprehensive perspective on how transition finance is maturing into a critical enabler of the global net-zero transition.