Episode 3: Carbon dioxide Removal: Sustainability constraints and opportunities with Keywan Riahi

Show notes

In this third episode of the nine-part IIASA podcast series, we turn to the conference’s second theme: Carbon Dioxide Removal – Sustainability Constraints and Opportunities. Keywan Riahi explores how different approaches to removing CO₂ from the atmosphere—from restoring natural ecosystems to engineered extraction and geological storage—can be scaled in ways that are both effective and sustainable. What trade-offs arise with other mitigation efforts, and where are the synergies that can accelerate overall emissions reductions? How can strategies address critical uncertainties such as reversibility and carbon rerelease in a world facing climate overshoot? This podcast is for both curious listeners and conference participants who want to gain an overview of the diverse discussions around sustainable CDR pathways. Subscribe to follow all nine episodes and explore the many perspectives on how to navigate a world beyond 1.5°C.

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