UN/ECE Workshop on Exploring European Sulfur Abatement Strategies

Amann, M. ORCID: https://orcid.org/0000-0002-1963-0972, Klaassen, G., & Schoepp, W. ORCID: https://orcid.org/0000-0001-5990-423X (1991). UN/ECE Workshop on Exploring European Sulfur Abatement Strategies. IIASA Status Report. IIASA, Laxenburg, Austria: SR-91-003

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Abstract

This paper, prepared as a background document for the UN/ECE "Workshop on Exploring European Sulfur Abatement Strategies" (24-26 June 1991, Laxenburg, Austria), provides an analysis of the major approaches presently being explored for further reducing SO2 emissions in Europe. By using an integrated assessment model, the analysis reflects the current stake of various model developments, taking into account the most recent information on energy strategies, emission projections, atmospheric long-range transport and sensitivities of ecosystems in Europe. The paper provides quantitative results from the the "Regional Acidification Information and Simulation" (RAINS) model by analyzing various scenarios. Some more general qualitative conclusions and lessons are drawn from the model results. Further, the paper also attempts to illustrate the current limitations for scenario analysis caused by the limited availability and reliability of present data and models.

The paper explores the advantages and disadvantages of alternative approaches by analyzing and evaluating different aspects of the various abatement strategies, such as relative emission reductions (compared to the baseyear 1980); cost of abatement measures; the burden to national economies as implied by emission control expenditures (i.e. the fraction of GDP required for emission reductions); the consequences on acid deposition; and their environmental impacts in terms of critical loads achievement.

It should be noted however, that it is not the intention of this paper to perform any value judgments on the various strategies. Such preferences have to be established by negotiators. Undoubtedly, other considerations, which are not incorporated into this formalized analysis, will also influence the decisionmaking on the topic.

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