What are the most important changes the Paris Agreement has brought about? How should the COP process evolve? And why does geoengineering need to be approached with caution?

The fourth part of the Future of Climate Diplomacy mini-series features a fascinating conversation between Chatham House's Chris Aylett (standing in for Anna and Bhargabi) and Laurence Tubiana, CEO of the European Climate Foundation and previously France's Climate Change Ambassador and Special Representative for COP21.

The race to secure critical raw materials is turning attention towards an unlikely place: the ocean floor. In this episode, Anna speaks with Dr Isaac Kardon (Senior Fellow at the Carnegie Endowment for International Peace) and Meredith Schwartz (Associate Fellow at the Centre for Strategic and International Studies) about the geopolitics of deep-sea mining.

The EU has introduced a Carbon Border Adjustment Mechanism (CBAM) to prevent carbon leakage – when companies move production to countries with weaker climate rules, or when EU products are replaced by more carbon-intensive imports. But the measure has sparked controversy and concern, especially among countries in the Global South, as seen during COP30 in Belém.

This episode of the Climate Briefing explores the implications of the EU's CBAM for countries in the Global South: What are their main concerns, and what could be done to mitigate negative impacts?

To discuss these questions and more, Anna is joined by Aparna Sharma (Programme Lead at the Council on Energy, Environment and Water – CEEW), Shimukunku Manchishi (Senior Policy Officer at the African Futures Policy Hub), and Ieva Baršauskaitė (Lead on Trade and Green Transition at the International Institute for Sustainable Development – IISD).