oceans

The ocean in 2026: sustainability ambitions and rising geopolitical tensions

Perspective / The ocean is becoming both a climate solution and a geopolitical battleground in 2026.

Quiet power: how security interests shape offshore wind and marine spatial planning in Sweden

Journal article / This paper investigates how security discourses, actors and tools shape offshore wind development and marine governance in Sweden.

Marine plastic pollution and extended producer responsibility in the G20

SEI report / This scoping review resulted in recommendations for policymakers to advance EPR and other complementary measures to prevent further growth of plastic pollution.

SEI at Almedalen Week 2025

Past event / Join SEI experts for the annual Swedish political forum in Visby, as they share insights across 7 seminars on climate policy, oceans and industry transition.

SEI at the 2025 UN Ocean Conference

Past event / SEI joins the UN Ocean Conference in Nice to promote coastal resilience and solutions to ocean pollution through events and expert insights.

UN Ocean Conference 2025: SEI to showcase ways to build coastal resilience and tackle marine pollution

Feature / SEI spotlights coastal resilience and ocean governance at UNOC 2025, bridging science, policy and local action.

Coastal resilience and pollution governance top agenda items for SEI’s experts at UN Ocean Conference

Media advisory / At the third UN Ocean Conference, SEI researchers will provide insight on coastal resilience, sustainable blue economy, governance and the impacts of pollution.

Ten new insights in climate science 2024

Journal article / This scientific publication presents this year’s 10 New Insights in Climate Science elaborated in the report.

Securing the Baltic Sea’s built seascapes: Balancing innovation, security, and sustainability

Journal article / This article explores how the Baltic Sea is becoming a ‘built seascape’ and calls for governance to balance innovation, sustainability, and security.