The North Sea is situated between the United Kingdom and Europe. It is bound to the west by the Orkney Islands, England and Scotland, and to the east by northern Europe. It has a mean depth of 90 metres.
There is a massive pollution problem in the North Sea, with more than 20 000 tonnes of marine litter dumped into it every year. Visit the Save the North Sea Project for more.
Have a listen to the sounds of the North Sea from Belgium here.