Divers raise alarm over marine pollution off Greece’s Alonissos. Marine park off Alonissos has made both locals and tourists increasingly aware of the risks of marine pollution. By Reuters.

Volunteer divers of the environmental group Aegean Rebreath gather waste from the bottom of the seabed, at the port of Votsi, on the island of Alonissos, Greece, May 24, 2025.

The park, set up off Alonissos in the early 1990s, is home to one of the world’s last remaining colonies of the Monk seal, and a refuge for over 300 fish species, dolphins and sea turtles.

Off the Greek island of Alonissos in the eastern Aegean Sea, volunteer divers grab decaying plastic bottles, a tire and a rusted anchor chain from the seabed and place them in a trash bag as part ...