Introduction: Fisheries, mining, and agriculture Section I: The Dynamics of Overexploiting Marine Ecosystems 1. When humankind comes up against the limits of the biosphere 2. Warning, disruption in the marine ecosystems! Section II: Fisheries management - Theory and Powerlessness 3. When theory helps us understand the world 4. The long battle for fisheries management Section III: Three Major Breaks for Revolutionizing the Seas 5. Maintain fishing and minimize the impact: the smart predator 6. Maximizing economic and social utility: with humankind as the goal 7. Guaranteeing the common interest: new democratic requirements Epilogue: A challenge for humankind