Planeteers’ Frank Rattey and Dr. Thorben Amann on closed-system, alkalinity-based carbon removal

Planeteers’ Frank Rattey and Dr. Thorben Amann on closed-system, alkalinity-based carbon removal

From Plan Sea: Ocean Interventions to Address Climate Change by Wil Burns and Anna Madlener

March 5, 2026 · 1h 5m · Season 3 · Episode 8

About this episode

The episode features a discussion on alkalinity-based carbon removal with experts from Planeteers.

In this edition of Plan Sea, hosts Anna Madlener and Wil Burns are joined by Frank Rattey and Dr. Thorben Amann of Planeteers — a Hamburg-based carbon removal startup researching alkalinity-based carbon dioxide removal (CDR) approaches — to discuss the science behind their closed-system pathway, their first field tests, and the national regulations guiding ocean-climate research. Dr. Thorben Amann is the Research and Development Lead at Planeteers and a geochemical CDR specialist. In this epi...

People in this episode

Hosts: Anna Madlener, Wil Burns

Guests: Frank Rattey, Dr. Thorben Amann

Topics covered

  • carbon removal
  • ocean-climate research
  • alkalinity-based CDR
  • closed-system pathways
  • field tests
  • national regulations

Keywords

  • carbon dioxide removal
  • alkalinity
  • closed-system
  • field tests
  • ocean research
  • climate change
  • geochemical

Mentioned in this episode

Organizations: Planeteers, Plan Sea

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