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Air traffic − measures

Together with vehicle traffic to and from the airport, aircraft take-offs and landings are the activity that generates the largest share of airport carbon dioxide emissions. Lower take-off charges for aircraft with cleaner engines and the use of green approaches are among the measures Swedavia is working with in order to reduce the environmental impact of air traffic.

Green approaches

Using green approaches reduces noise, fuel consumption and thus atmospheric emissions. By 2012, eight out of ten flights will use green approaches.

More modern aircraft pay less

One way of reducing atmospheric emissions is for the airport to encourage airlines to use modern aircraft that are better for the environment − the take-off charge at Stockholm Arlanda is lower the cleaner engines an aircraft has. The purpose is the persuade airlines with older planes or old aircraft engines to replace them with more environmentally friendly alternatives.

General facts on atmospheric emissions

The emissions from aircraft engines are the same as from all fossil fuel combustion: carbon dioxide, nitrogen oxides, hydrocarbons, soot, particulates, carbon monoxide and sulphur dioxide.

In Sweden as a whole, road traffic accounts for about 38 per cent of carbon dioxide emissions and 40 per cent of nitrogen oxide emissions. Air traffic accounts for about 4.8 per cent of carbon dioxide emissions and 2 per cent of nitrogen dioxide emissions. Globally, carbon dioxide from aviation accounts for about 2 per cent of total emissions. Other sources of emissions are the rest of the transport sector, combustion, industrial processes etc. The impact of air traffic on the climate may be larger than its share of carbon dioxide emissions, since these emissions occur at high altitude.