In this episode of The CDR Policy Scoop, Sebastian Manhart and Eve Tamme are joined by Harry Smith, Principal Consultant at Aether and former Leverhulme Doctoral Scholar at the Tyndall Centre for Climate Change Research, University of East Anglia, where he completed his PhD on the policy and governance of carbon dioxide removal.

The conversation explores what national long-term low-emission development strategies actually say about carbon removal, and how much of it should concern us. Harry draws on his doctoral research, which analysed long-term strategies across 71 countries, to explain why these documents are often optional, outdated, and light on detail when it comes to CDR.

The episode digs into the residual emissions data at the heart of his research: only 26 of 71 countries quantified residual emissions at the point of net zero, with an average of 21% of peak emissions, more than double the 10% commonly referenced in IPCC scenarios. Australia and Canada sit at 52% and 44% respectively, leaning heavily on CDR and international credits to close the gap.

Sebastian, Eve and Harry also examine why the land sector carries far more weight in national strategies than engineered CDR, and why Harry considers it the bigger risk. The discussion closes on what long-term strategies have actually contributed,  a refinement of end-of-century warming projections, and why near-term policy design, not long-term vision documents, is where the real work on CDR now needs to happen.

Links:

• Eve Tamme: LinkedIn and Website
• Sebastian Manhart: LinkedIn and Website
• Harry Smith: LinkedIn
• UNFCCC Long Term Strategies Portal
• Promising Words, Evaluating Actions: Assessing Carbon Dioxide Removal in National Net Zero Plans, by Harry B Smith

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