Toothed wrack (Fucus serratus) fronds, exposed on beach at low tide, Reculver, Kent, England, United Kingdom, Europe

Common periwinkles (Littorina littorea) on toothed wrack (Fucus serratus) exposed at low tide, Lyme Regis, Dorset, England, United Kingdom, Europe

Plastic debris washed ashore at Talisker Bay on the Isle of Skye, Scotland, United Kingdom, Europe

Plastic debris washed ashore at Talisker Bay on the Isle of Skye, Scotland, United Kingdom, Europe

Plastic debris washed ashore at Talisker Bay on the Isle of Skye, Scotland, United Kingdom, Europe

Cockle shells at Hest Bank, Morecambe Bay, Lancashire, England, United Kingdom, Europe

Workers shovel sea weed off the beach after a storm in Teos, Turkey, Eurasia

Cockle shells at Hest Bank, Morecambe Bay, Lancashire, England, United Kingdom, Europe

Seaweed washed up on the beach after a storm at Teos, Turkey, Eurasia