a flight -free Sunday afternoon. It would be an extraordinary experience for the neighbours of Schiphol Amsterdam Airport, when activists will disturb air traffic for two hours.

Recently, the neighbours of Schiphol (and of the five regional airports) as well as environmental organisations offered an appeal to the minister of transport and the management of the airports. It suggests several measures to be taken to reduce pollution and nuisance caused by air traffic. A higher price for kerosene is one of them, taking it at least up to the European level