2025 has proven to be a pivotal year for oceans on the global stage. David Attenborough’s latest documentary ‘Ocean’ launched to great fanfare; the UN Ocean Conference concluded with the High Seas Treaty achieving ratification by over 60 countries, and looking ahead the COP30 climate conference in Brazil is expected to place significant emphasis on the role of oceans in climate action. In Greenbank’s latest whitepaper, Ethical, Sustainable and Impact Researcher Charlie Young shares his take on what he describes as “the world’s most undervalued natural asset".