... some forest degradation caused by air and soil pollution; soil pollution results from the use of agricultural chemicals; air pollution results from emissions by coal- and oil-fired power stations and industrial plants and from trucks transiting Austria between ... — The 1998 CIA World Factbook • United States. Central Intelligence Agency.
... forest degradation caused by air and soil pollution; soil pollution results from the use of agricultural chemicals; air pollution results from emissions by coal- and oil-fired power stations and industrial plants and from trucks transiting Austria between ... — The 1998 CIA World Factbook • United States. Central Intelligence Agency.