12/09/2025
The Mar Menor lagoon, a triangle of warm, shallow water that attracts crowds of tourists to southeastern Spain, has experienced repeated mass die-offs of fish and vegetation blamed on ongoing pollution from farms, mines, and urban areas, turning this natural treasure into a “green soup.”
But there’s hope.
The government of Spain has launched a major restoration project to revive the lagoon — protecting biodiversity, enhancing water quality, and creating a sustainable future for communities that rely on it.
Read more about how Europe’s largest saltwater lagoon is being transformed: https://www.unep.org/news-and-stories/story/how-spain-turning-iconic-lagoon-green-soup-natural-oasis