Special credit must be given to Mr. John C. Holmes, Finally, the Board acknowledges its great debt to 



Head of the Printing and Reproduction Section, NSF. Mr. the approximately 150 scientists who responded to the 



Holmes has made a difficult job much easier through his Board's request for information and analysis. Their frank 



understanding of the problems and the positive approach and sometimes controversial papers are the basis for this 



he took in solving them. report. It could not have been written without them. To 



these busy scientists, who took precious time to furnish 



There are others who have helped this report to come information, the National Science Board is extremely 



into being who are not listed by name. To these people, grateful. It is these contributors who have made Patterns 



the Board offers its thanks. and Perspectives in Environmental Science a reality. 



vi 



