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Published online by Cambridge University Press: 24 August 2009
* Based on an invited ‘introduction of theme’ (originally entitled ‘The Imperative of Avoiding Nuclear Holocaust’) delivered at the Annual General Meeting of the World Council For The Biosphere and its joint planning sessions with the International Society For Environmental Education, held at the Hôtel de Sonloup, 1833 Les Avants sur Montreux, Switzerland, during 18–22 June 1985–see also pp. 281–2 of this issue.—Ed.