Volunteers have pulled 28 tonnes of ‘ghost nets’ from the waters around this Greek island

Tiny Greek island threatened by fish farm set to dominate 25 per cent of its land and sea

Search continues for dozens of migrants missing off Greek coast

Watch: The ghost-busting couple clearing the ocean of abandoned fishing nets

Meet the Greek fisherman cleaning up the Mediterranean Sea

Entangled sperm whale freed by Italian Coastguard from illegal nets off Aeolian Islands

Greek fishermen paid to collect rubbish caught from the sea for recycling

Greek city grapples with flood of dead fish

Thousands of dead fish wash up on drought-stricken Greek lake

Dead fish blanket Greek tourist port after intense storms and flooding

'Shocking’ footage shows more than 100,000 dead fish discarded off the coast of France

Sea Lion Caught in Fishing Net

What are ghost nets?

Underwater footage of a huge abandoned fishing net in the ocean

The ghost net hunter: a Hong Kong diver’s quest to rid the oceans of a deadly killer

Non-profit 'Healthy Seas' cleans up contaminated Greek oceans

State of emergency in Greece as thousands of dead fish collect around Volos port

Five hundred people crammed in fishing boat rescued in Mediterranean

Greek authorities announce financial support after dead fish wash into Volos

Ecological 'disaster' as Houthi-sunk ship leaches fertilizer into Red Sea

How Europe-supported projects are reducing illegal fishing in the Western Indian Ocean

Migrant boat arriving in Greece surprises beachgoers

Beached whale shark rescued after getting tangled in fishing net in the Philippines

Nineteen rescued and at least 3 dead after boat carrying migrants is lost near Greek island

Indian fishermen release endangered whale shark back into sea after it became trapped in their nets

More refugee boats sink between Turkey and Greece