Mackenzie, Fred T. Our changing planet an introduction to earth system science and global environmental change Fred T. Mackenzie - 3rd ed. - New Jersey Prentice Hall 1998 - xii+580p. figs; glossary; illus; index; refs; study questions & answers ISBN: 130651729 Subjects--Topical Terms: Fluid EarthGlobal Environment ChangeHuman EcologyHydrosphereLithosphereNaturePlate Tectonics Universal Decimal Class. No.: 551.1/.4 / MAC