IETA’s 2025 Greenhouse Gas Report, The New Carbon Order, brings together some of the world’s leading carbon-market voices, offering authoritative insights across compliance and voluntary markets, government systems, legal frameworks, and the fast-evolving digital frontier. With guest authors from across industry, finance, law, policy, and technology, the report captures both the breadth and depth of expertise shaping this rapidly evolving landscape.
Carbon markets have transcended their status as mere climate policy instruments. They are now the core economic infrastructure for the 21st century – a powerful, dynamic engine capable of solving the challenging equation of decarbonisation without sacrificing economic competitiveness or sustainable growth.
The New Carbon Order is launching at a moment of truth. The question is no longer if markets are needed, but how rapidly we can connect, scale, and integrate the existing patchwork of voluntary and compliance systems into a cohesive, borderless architecture. This is a vital task to ensure capital flows instantly to low-cost abatement opportunities worldwide, while driving innovation across every sector.
This 'System of Systems' is built on core pillars driving future trends and growth opportunities:
The ultimate success of this infrastructure depends on radical collaboration – the meeting point of policy leadership and private-sector innovation.