未来能源研究所：2024年碳边界调整如何推动全球气候政策势头报告（英文版）

The world has a powerful new climate policy tool – the carbon border adjustment mechanism (CBAM)—but its most impactful aspect is also its most overlooked. Climate change is the world’s largest global collective action problem. But without coordination, countries may free ride on each other’s efforts since the costs of policy action are borne at home, while the benefits are shared worldwide. Before CBAM, global climate efforts focused on voluntary commitments, which invite free riding. The CB