Two rays drowned by getting trapped in an abandoned fishing net - Virginia

Thresher shark caught in a fishing net - San Benedicto Island, Mexico

Thresher shark caught in a fishing net - San Benedicto Island, Mexico

Thresher shark caught in a fishing net - San Benedicto Island, Mexico

Thresher shark caught in a fishing net - San Benedicto Island, Mexico

Thresher shark caught in a fishing net - San Benedicto Island, Mexico

A discarded fishing net has entangled and killed a shark, known as ghost fishing

Discarded fishing net floating through the water column

A man trying to remove oil spill from the surface of the water, USA

The thick sludge of oil covering the sea after an oil spill, Mississippi Delta, USA

Oil can be seen on beaches, rocks and the bamboo throughout the south west passage of the Mississippi Delta

Plastic rope and pieces of fishign net washed up on the Norwegian coastline