The Natural Geochemistry of Our Environment shows that the Earth is a water world, whose water is transformed readily from the solid to the liquid to the gaseous state. This book, is an outgrowth of a report prepared in 1979 by Drs. Speidel and Agnew for the U.S. Science, Research, and Technology Subcommittee, provides just such a background to enables one to comprehend the natural system and the way that human activities affect that environment.

David H. Speidel, Allen F. Agnew

Introduction, Water, Geochemical Movement, Soil Reservoir, Ocean Reservoir, Biota and the Biosphere,Geochemical Cycles and Fluxes Revisted: Summary, Epilogue: A Moral Dilemma.