The graph shows the percentage frequency distribution of stations (on the y-axis) in the EU Member States versus the various concentration classes (on the x-axis, in mg/m3). The vertical line corresponds to the limit value set by the EU legislation.
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Fly only for distances greater than 700 km. Otherwise take the train. A transatlantic flight produces almost half as much CO2 as an average person produces over a period of one year while meeting all his or her other needs, such as lighting, heating and car travel!
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