Science-to-Policy Briefing #1

A first stakeholder forum was held in October 2021, where current research priorities for climate policy were discussed. This briefing explores the questions raised during that first forum, detailing the contribution of ESM2025 to each of the following policy-relevant topics:

A. The impact of climate change at both global and regional scales;

B. Long-term mitigation pathways and the need for negative emission technologies and nature-based mitigation solutions;

C. The role of ESM2025 in international research initiatives such as the next phase of the Coupled Model Intercomparison Project (CMIP7).

Science-to-Policy Briefing #2

A second stakeholder forum was held in November 2023, where insights and advances in climate and earth system were discussed. This briefing explores the following policy-relevant new findings and the questions raised by the 4C, PROVIDE, CONSTRAIN and ESM2025 projects:

A. The possible reduction in the efficiency of carbon sinks as the climate warms;

B. The need for a revised 1.5°C carbon budget;

C. The risks of climate overshoot;

D. The importance of reducing non-CO2 greenhouse gases.