We all have a responsibility to look after the 18,000 km of coastline surrounding the UK.
With one of the longest national coastlines in Europe, our seas are home to over 15,000 marine species, providing us with resources from fish to renewable marine energy.
Seagrass absorbs far more carbon than an equivalent area of rainforest. Marine meadows protect coastlines from erosion and shelter important species and their nurseries.
Established oyster reefs improve water quality, remove nitrogen, sequester carbon and boost biodiversity under the sea.