Achieving the Paris Agreement Long-term temperature goal (PA LTTG) requires closing the 2030 ambition and action gap between emissions levels consistent with the Paris Agreement and emissions levels projected with current targets and policies. G20 countries have a crucial role to play in...

This report provides a comprehensive overview of climate cost modelling, from the perspective of damage costs and mitigation costs respectively. It also provides guidance for policymakers on which framework shall be used to derive climate costs for different policy objectives. For both...

The adoption of the Paris Agreement with the long-term temperature limit has important repercussions for the distribution of effort between its signatories. The application of the equity and least-cost approaches to the distribution effort leadsto different outcomes. The disparity of the results...