Assessing the costs and benefits of a closer eu canada economic partnership a joint study by the european commission and the government of canada. As of 2003 142 of the countrys total land area was protected including 49 ramsar wetland sites according to a 2006 report issued by the international union for . Chemical contaminants and erosion damage the nations soil and limit productivity in 1986 the swiss federal office of forestry issued a report stating that 36 of
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