Amazon.com description: Product Description: This publication presents a global assessment of acidification and eutrophication caused by sulphur and nitrogen deposition. The study has two objectives: the first is to assess the present and possible future risks of acidification and eutrophication of terrestrial natural and semi-natural ecosystems, as well as nitrogen loading of rivers and estuaries. The second is to identify data and research gaps and to give recommendations for future research. The publication comprises numerous colorful and informative maps.