Modeling the impacts of the Finnish climate strategy on air pollution

Sanna Syri (Corresponding Author), N. Karvosenoja, Antti Lehtilä, T. Laurila, V. Lindfors, J.-P. Tuovinen

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    Abstract

    This paper presents an example of how air pollution models can be used together with energy system models to study the impacts of climate change mitigation strategies on air pollution. As many mitigation measures of greenhouse gases (GHGs) affect the use of fossil fuels in energy production, they can have important side-effects on other air pollution problems. This paper studies on a national scale the impacts of the planned GHG reduction measures on multiple air pollution problems in Finland, concentrating on acidification of forest soils and lakes, tropospheric ozone levels harmful to humans and vegetation and on emissions of fine particles.
    The air pollutant emission scenarios with the alternative energy choices are calculated for about 200 large point sources, assuming the present emission limit legislation. Disperse emissions are treated at municipality level. The analysis extends to the year 2020.
    The implementation of the Kyoto protocol in Finland would induce notable reductions of multiple air pollutant emissions and related environmental impacts. A 6–11% reduction in ecosystems threatened by acidification in Southern and Central Finland would be achieved with the Finnish Climate Strategy alone.
    Substantial improvement in ozone levels would be reached in all scenarios compared to the current situation. The measures of the Climate Strategy could reduce the harmful ozone levels by a further 3%.
    The measures of the Climate Strategy would not significantly affect the primary particulate emissions in the future because the emissions from large power plants are already effectively controlled.
    Contrary to the fuel choices of the large units, expanded use of small-scale wood combustion can result in considerable increases of both fine particulate and VOC emissions.
    Original languageEnglish
    Pages (from-to)3059-3069
    JournalAtmospheric Environment
    Volume36
    Issue number19
    DOIs
    Publication statusPublished - 2002
    MoE publication typeNot Eligible

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    Keywords

    • carbon dioxide
    • energy strategy
    • sulfur
    • nitrogen oxides
    • fine particles
    • greenhouse gases
    • climate change

    Cite this

    Syri, S., Karvosenoja, N., Lehtilä, A., Laurila, T., Lindfors, V., & Tuovinen, J-P. (2002). Modeling the impacts of the Finnish climate strategy on air pollution. Atmospheric Environment, 36(19), 3059-3069. https://doi.org/10.1016/S1352-2310(02)00263-7