The World Ocean Summit is an annual global event run by The Economist Group, which brings together the wide ocean community, from business and finance to governments, national and international policy-makers, civil society and academia. This year, we celebrated the 10th anniversary of this event in Lisbon, Portugal.In this episode, Martin Koehring, head of the World Ocean Initiative at Economist Impact, shares his firsthand experience at the summit and his key takeaways, with Naka Kondo, lead editor of Back to Blue at Economist Impact.Make a submission at backtoblueinitiative.com/take-action-on-ocean-pollution to close the marine pollution data gap.Follow the Back to Blue series for more podcast episodes, or visit backtoblueinitiative.com for more content.Back to Blue is an initiative of Economist Impact and The Nippon Foundation.