Air pollution, Environment & Future. 35 years of research on forest, soils and water.
Air pollution, Environment & Future. 35 years of research on forest, soils and water.
But, since the 1980s, air pollutions, especially sulphur dioxide, has decreased dramatically. This has resulted in a slow recovery of the ecosystems over much of the acidified land area in northen Europe.
There are, however, still important environmental concerns. The nitrogen deposition it too high, as well as the concentrations of ground-level ozone.