Also noted, zinc, iron ore, lead, copper, silver, timber, uranium, hydropower are other major natural resources. The Nordic Council Helsinki Convention on the Protection of the Marine Environment of the Baltic Sea Bern Convention on the Conservation of European Wildlife and Natural Habitats. CIA Factbook Entry for Sweden Human Impacts on Natural Resources Information Sources Air pollution Soils too are thought to be losing minerals at an accelerating rate as a result of acidification, while this, coupled with direct contact of trees with polluted air, is causing major stress in some forests.
Pulp mills are also a major source of such pollution.
Acidification of the environmentthrough acid rain and dry deposition, the main pollutants being sulphur dioxide and nitrogen dioxide, is amajor problem facing the entire country.