Did you know there are over 8,500 toxic shipwrecks still lurking in our oceans—each potentially holding a total of 20.4 million tonnes of oil and polluting substances? Most are World War II wrecks concentrated in the South Pacific and North Atlantic, threatening small island nations that lack the resources to handle spills. A new Malta Manifesto urges global cooperation to catalog and mitigate this silent hazard before the next leak.