With over thirty member societies in twenty-four different countries, the European Federation of Corrosion (EFC) is one of the worlds largest corrosion organisations. Founded in 1955, it recently celebrated its fiftieth anniversary. To mark the event, it was proposed that the EFC Working Parties, each of which addresses a clearly defined aspect of corrosion (or its mitigation), should be invited to contribute to a special publication. Thirteen current and past chairpersons responded to this challenge and each, in their own way, has summarised progress in their particular area of interest. The...