Compares present agriculture practices to permaculture farming techniques, presents a historical perspective of permaculture and where these techniques are being successfully practiced around the world. Inserts (vignettes) enumerate the principles of permaculture and the background of Bill Mollison who conceptualized this farming practice. (MCO)

Part of a geography series which stresses understanding of the environment through mastery of specific skills and concepts, the secondary level textbook examines environmental systems as they exist at present. A system is defined as one of a large number of elements (people, cities, rocks, soils, air, clouds) which make up the environment.…

Part of a geography series which stresses understanding of the environment through mastery of specific skills and concepts, the secondary level textbook examines how and why different environments have changed through time. The book is presented in eight chapters organized around the three main themes of change in local areas, land use, and the…