Polluting shipwrecks from WWI & WWII a ticking timebombs at the bottom of our oceans

illuminem summarises for you the essential news of the day. Read the full piece on Euronews or enjoy below:

🗞️ Driving the news: Decaying World War-era shipwrecks, such as the HMS Cassandra off Estonia, are emerging as serious environmental hazards due to leaking oil and structural instability
• A new international initiative, Project Tangaroa, warns that roughly 8,500 potentially polluting wrecks (PPWs) globally are becoming unstable, driven by corrosion and climate stressors
• Without proactive management, these submerged relics risk catastrophic oil spills

🔭 The context: Many warships sunk during WWI and WWII contain oil or hazardous cargo
• While historically left undisturbed due to their war grave and cultural heritage status, they now represent a latent ecological threat
• Accelerating decay — due to ocean warming, acidification, and intensified storm events — raises the urgency
• In response, the UK and Estonia are collaborating on a management plan for the HMS Cassandra, seen as a pilot for wider international cooperation

🌍 Why it matters for the planet: These wrecks sit near critical marine ecosystems and fisheries
• Their degradation could release pollutants into waters vital for biodiversity, food security, and coastal economies
• Compounding the threat is the lack of legal clarity: most international frameworks don’t cover state-owned war wrecks or spills predating their enactment
• Without intervention, countries risk long delays in response to pollution, exacerbating environmental damage

⏭️ What's next: At the UN Oceans Conference, Project Tangaroa launched the “Malta Manifesto,” a global call for cooperation
• Its seven-point action plan includes data sharing, legal clarity, risk mapping, and a new international finance task force to support monitoring and remediation
• The goal is a systematic response by 2039 — the centenary of WWII
• Progress depends on state goodwill, financing, and global legal reform

💬 One quote: “Thanks to the work of the global community... we already know how to manage the risks... but we need the resources to put this knowledge to use at the required scale.” – Lydia Woolley, Programme Manager, Project Tangaroa

📈 One stat: Approximately 8,500 war-era wrecks worldwide are classified as potentially polluting, with many located in ecologically sensitive zones

See on illuminem's Data Hub™ the sustainability performance of over 8,000 companies.

Click for more news covering the latest on pollution