Research and protection strategies need to be developed, as the Baltic Sea is probably the most polluted sea in the world.Since the Baltic Sea has become an inner sea of the EU (apart from small shore parts of Russia in Petersburg and Kaliningrad), it is anticipated that the importance of the region will consequently rise.
The Baltic Sea: History and geography.- Topography and hydrography of the Baltic Sea.- Water, salt, and heat budgets.- Circulation.- Waves.- The ice of the Baltic Sea.- Coastal and local processes.- Environmental questions.- Future of the Baltic Sea.