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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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  4. Term of the Dictionary | air pollution

Term of the Road Dictionary

air pollution

  • Language : PIARC Road Dictionary / English
  • Theme : Environment Environmental Protection
  • Definition : Degradation of air quality resulting from unwanted chemicals or other materials occurring in the air. Note: usually the presence of substances in the atmosphere resulting from either human activity or natural processes. These substances are present in sufficient concentration, for a sufficient time and under circumstances that cause them to interfere with the comfort, health or welfare of persons or the environment [ISO 4225/PIARC].

Luftverunreinigung

  • Language : PIARC Road Dictionary / German
  • Theme : Umwelt Umweltschutz
  • Definition : Kontamination der Luft durch Schadstoffe, die in die Atmosphäre eindringen.