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Shipping emits considerable amounts of air pollutants which affect the climate, the natural environment and human health. In collaboration with the Swedish Maritime Administration (SMA), SMHI has developed a new system for calculating emissions from shipping. Knowledge of these has previously been very limited. Shipping is undoubtedly the most significant source of sulphur emissions, as well as accounting for extensive emissions of nitrogen oxides, particles and Volatile Organic Compounds (VOCs). In climate-affecting emissions too, shipping is one of the main sources of emissions. “Taken as a whole, emissions from shipping are a very important factor in air environment, as well as climate impact and acidification of our watercourses,” says David Segersson, Air Environment Consultant at SMHI. “At the same time though, there is great uncertainty regarding the scale of emissions in the shipping sector.”
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