Etat de la question pollution de l'air = Review paper on air pollution = Bericht über die Sachlage der Luftverunreinigung. Paper presented at the 13th FISITA congress, June 8-11, 1970.

At the Strasbourg Conference on Nature Protection and in the message to Congress that the President of the United States gave on February 7th. 1970, the automobile was made responsible for air-pollution. The causes of this responsibility are analysed.