Book Reviews : Michael Bothe (Project Co-ordinator). Trends in Environmental Policy and Law (Tendances Actuelles de la Politique et du Droit de L' Environnement), Gland, Switzerland: International Union for Conservation of Nature and Natural Resources, 1980. An IUCN Publication in the context of IUCN-WWF Project No. 1244. pp. xxii+404. Price, not indicated