Environmental problems have their roots in the use of natural resources
The Baltic Sea basin is a natural ecological unit
The Baltic Sea basin is the drainage area of the Baltic Sea
The Baltic Sea basin is one of six major basins in Europe
The Baltic Sea basin covers 15% of all Europe
The Baltic Sea basin has currently a population of about 85 million people
Waterways used to connect the coasts
Today common interests and responsibilities link countries to each other
Pollutants other than wind dispersed ones stay in the basin