Thomas Dietz and Paul C. Stern, Editors
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Washington, D.C.
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Public ParticiPation
in EnvironmEntal assEssmEnt
and dEcision making
Panel on Public Participation in
Environmental Assessment and Decision Making
Thomas Dietz and Paul C. Stern, Editors
Committee on the Human Dimensions of Global Change
Division of Behavioral and Social Sciences and Education
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THE NATIONAL ACADEMIES PRESS 500 Fifth Street, N.W. Washington, DC 20001
NOTICE: The project that is the subject of this report was approved by the Governing
Board of the National Research Council, whose members are drawn from the councils of
the National Academy of Sciences, the National Academy of Engineering, and the Institute
of Medicine. The members of the committee responsible for the report were chosen for their
special competences and with regard for appropriate balance.
This project was supported by the Environmental Protection Agency, with contributions from
the Food and Drug Administration and U.S. Department of Energy, Grant No. X-82873001,
and the U.S. Department of Agriculture, Grant No. PNW 07-DG-1123416976-342. Any
opinions, findings, conclusions, or recommendations expressed in this publication are those
of the author(s) and do not necessarily reflect the views of the sponsors.
Library of Congress Cataloging-in-Publication Data
Public participation in environmental assessment and decision making / Panel on Public
Participation in Environmental Assessment and Decision Making ; Thomas Dietz and Paul
C. Stern, editors ; Committee on the Human Dimensions of Global Change, Division of
Behavioral and Social Sciences and Education.
p. cm.
Includes bibliographical references.
ISBN 978-0-309-12398-3 (pbk.) — ISBN 978-0-309-12399-0 (pdf) 1. Environmental
impact analysis—Citizen participation—Evaluation. 2. Environmental policy—Decision
making—Citizen participation—Evaluation. 3. Environmental policy—United
States—Decision making. 4. Administrative agencies—United States—Decision making.
5. Administrative procedure—United States—Citizen participation. 6. Environmental
protection—United States—Citizen participation. I. Dietz, Thomas. II. Stern, Paul C.,
1944- III. National Research Council (U.S.). Panel on Public Participation in Environmental
Assessment and Decision Making. IV. National Research Council (U.S.). Committee on the
Human Dimensions of Global Change.
TD194.6.P83 2008
363.7’0525—dc22
2008038571
Additional copies of this report are available from the National Academies Press, 500 Fifth
Street, N.W., Lockbox 285, Washington, DC 20055; (800) 624-6242 or (202) 334-3313 (in
the Washington metropolitan area); Internet http://www.nap.edu.
Copyright 2008 by the National Academy of Sciences. All rights reserved.
Printed in the United States of America
Suggested citation: National Research Council. (2008). Public Participation in Environmental
Assessment and Decision Making. Panel on Public Participation in Environmental Assess-
ment and Decision Making, Thomas Dietz and Paul C. Stern, eds. Committee on the Human
Dimensions of Global Change. Division of Behavioral and Social Sciences and Education.
Washington, DC: The National Academies Press.
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PANEL ON PUBLIC PARTICIPATION IN ENVIRONMENTAL
ASSESSMENT AND DECISION MAKING
THOMAS DIETZ (Chair), Environmental Science and Policy Program,
Michigan State University
GAIL BINGHAM, Resolve, Washington, DC
CARON CHESS, Department of Human Ecology, School of
Environmental and Biological Sciences, Rutgers University
MICHAEL L. DEKAY, Department of Psychology, The Ohio State
University
JEANNE M. FOX, New Jersey Board of Public Utilities, Newark
STEVEN C. LEWIS, Integrative Policy & Science, Inc., Washington,
New Jersey
GREGORY B. MARKUS, Center for Political Studies, University of
Michigan
D. WARNER NORTH, NorthWorks, Inc., Belmont, California
ORTWIN RENN, Institute of Management and Technology, University
of Stuttgart, Germany
MARGARET A. SHANNON, Rubenstein School of Environment and
Natural Resources, University of Vermont
ELAINE VAUGHAN, School of Social Ecology, University of California,
Irvine
THOMAS J. WILBANKS, Environmental Sciences Division, Oak Ridge
National Laboratory, Oak Ridge, Tennessee
PAUL C. STERN, Study Director
JENNIFER BREWER, Staff Officer
SETH TULER, Consultant
LINDA DEPUGH, Administrative Assistant
v
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COMMITTEE ON THE HUMAN DIMENSIONS
OF GLOBAL CHANGE
THOMAS J. WILBANKS (Chair), Oak Ridge National Laboratory, Oak
Ridge, Tennessee
RICHARD N. ANDREWS, Department of Public Policy, University of
North Carolina, Chapel Hill
ROBERT CORELL, H. John Heinz III Center for Science, Economics and
the Environment, Washington, DC
ROGER E. KASPERSON, George Perkins Marsh Institute, Clark
University
ANN KINZIG, Department of Biology, Arizona State University, Tempe
TIMOTHY MCDANIELS, Eco-Risk Unit, University of British
Columbia, Vancouver
LINDA O. MEARNS, Environmental and Societal Impacts Group,
National Center for Atmospheric Research, Boulder, Colorado
EDWARD MILES, School of Marine Affairs, University of Washington,
Seattle
ALEXANDER PFAFF, Public Policy Department, Duke University
EUGENE ROSA, Natural Resource and Environmental Policy,
Washington State University, Pullman
CYNTHIA E. ROSENZWEIG, NASA Goddard Institute for Space
Studies, New York
GARY W. YOHE, Department of Economics, Wesleyan University
ORAN R. YOUNG (ex officio), International Human Dimensions
Programme on Global Environmental Change Scientific Committee;
Bren School of Environmental Science and Management, University
of California, Santa Barbara
PAUL C. STERN, Study Director
JENNIFER F. BREWER, Staff Officer
SETH TULER, Consultant
LINDA DEPUGH, Administrative Assistant
vi
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Preface
T
his report began with two simple ideas. One was that the environ-
mental problems of the 21st century can be effectively addressed
only by processes that link sound scientific analysis with effective
public deliberation. The second was that analysis and deliberation in en-
vironmental assessment and decision making can be improved by careful
examination of scientific evidence.
Discussions about public participation have become especially intense
in the last half century. Novel methods of public engagement have emerged
to complement more venerable modes of participation, such as voting, lob-
bying, and protesting. In response to the new practices, a growing literature
has offered theory to define and justify public participation, has proposed
tools and strategies for participation, and has begun to examine what
happens in participation processes. But this literature, while substantial in
size and including much work of high quality, has not been cumulative. It
provides no overall assessment of whether or not, in general, public partici-
pation enhances environmental assessments and decisions; those designing
participation processes have trouble extracting lessons from it; and it does
not reflect a consensus about the key questions requiring further research.
This study attempts to address what have been missing: to provide an
overall assessment of the merits and failings of participation, to offer guid-
ance to practitioners, and to identify directions for further research. Partici-
pation research and practice is so dynamic that our analysis is somewhat
dated even as it is published, yet I believe we have made some progress in
synthesizing across a diverse literature. We have found that participation
can be an invaluable part of environmental assessment and decision mak-
vii
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viii PREFACE
ing. Although there are no simple “best practices” that provide universal
guidance in designing participation, there are principles and “best pro-
cesses” that can enhance the effectiveness of participation. We have taken
a few steps toward structuring the research literature. Our hope is that this
report will prove useful for those who are assessing participation policy
and practices, those who design and conduct participation, and those who
study participation. We know it is not the final word, but we believe it lends
some coherence to future conversations and provides a starting point for
further analysis.
As one would expect of a work on participation, many have partici-
pated in creating the final product. It is, first and foremost, the work of the
panel and Paul Stern, the study director. The study draws together diverse
strands of literature and bridges across diverse disciplines and substantive
domains. In doing so, the panel and Paul have worked very hard and ex-
hibited great patience and a wonderful openness to synthesis.
We conducted two scoping workshops before the study began and one
workshop midstream in the study. The participants in those workshops—
scholars, practitioners, and nonspecialists—had a profound influence in
shaping the study. We thank first the participants in our July 2001 work-
shop: Bonnie Bailey, Water Environment Research Foundation; Thomas
C. Beierle, Resources for the Future; Mohandas Bhat, U.S. Department of
Energy; Steve Blackwell, Agency for Toxic Substances and Disease Registry;
Judith Bradbury, Pacific Northwest National Laboratory; Frank Clearfield,
National Resource Conservation Services’ Social Sciences Institute; Martha
Crosland, U.S. Department of Energy; Katherine Dawes, Office of Environ-
mental Policy Innovation, U.S. Environmental Protection Agency; Michael
Donnelly, Radiation Studies Branch, Centers for Disease Control and Pre-
vention; John Hogan, Office of Food Safety, U.S. Department of Agricul-
ture; Debora Martin, U.S. Environmental Protection Agency; Michael Sage,
Centers for Disease Control and Prevention; Michael Slimak, U.S. Environ-
mental Protection Agency; Peter Smith, U.S. Department of Agriculture;
and Elizabeth White, U.S. Department of Energy; and Susan Wiltshire, JK
Research Associates.
We also thank the participants in our December 2001 workshop:
Laurel Ames, Sierra Nevada Alliance; John Applegate, University of Indi-
ana; L. Katherine Baril, Washington State University; Thomas C. Beierle,
Resources for the Future; Sue Briggum, WMX Waste Management; Fred
Butterfield, U.S. Department of Energy; Susan Carillo, U.S. Environmental
Protection Agency; Martha Crosland, U.S. Department of Energy, Samantha
Dixon, City of Westminister, Colorado; Paul Gagliardo, Metropolitan
Wastewater Public Works, City of San Diego, California; Troy Hartley,
RESOLVE, Washington, DC; Kenneth Jones, Green Mountain Institute
for Environmental Democracy; Jeffrey Jordan, City of South Portland,
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ix
PREFACE
Maine; Marshall Kreuter, National Center for Chronic Disease Prevention
and Health Promotion, Centers for Disease Control and Prevention; Mark
Lubell, Florida State University; Eric Marsh, U.S. Environmental Protec-
tion Agency; Tom Marshall, Rocky Mountain Peace and Justice Center;
Robert O’Connor, National Science Foundation; Dennis Ojima, Colorado
State University; Kathryn Papp, National Council for Science and the En-
vironment; Karen Patterson, Tetra Tech NUS; Trisha Pritkin, Hanford
Downwinders; Beth Raps, independent consultant; Douglas Sarno, The
Perspectives Group, Inc.; Michael Slimak, U.S. Environmental Protection
Agency; James Smith, Centers for Disease Control and Prevention; Bruce
Stedman, RESOLVE, Washington, DC; Vicky Sturtevant, Southern Oregon
University; Patrice Sutton, Western States Legal Foundation; Merv Tano,
Council of Energy Resource Tribes; John Till, Risk (Radiation) Assess-
ment Corporation; William Toffey, Philadelphia Water Department; Bruce
Tonn, University of Tennessee; and Chris Wiant, Caring for Colorado
Foundation.
Our mid-study workshop was held in February 2005, and we thank the
participants: Beth Anderson, National Institute for Environmental Health
Sciences; Mitchell Baer, U.S. Department of Energy; Bonnie Bailey, Water
Environment Research Foundation; Anjuli Bamzai, U.S. Department of
Energy; Patricia Bonner, U.S. Environmental Protection Agency; Nina Bur-
kardt, U.S. Geological Survey Fort Collins Science Center; Francis (Chip)
Cameron, U.S. Nuclear Regulatory Commission; Joe Carbone, U.S.D.A.
Forest Service; David Cleaves, U.S.D.A. Forest Service; Jim Creighton,
Creighton & Creighton; Jeremiah Davis, The George Washington Uni-
versity; Sandra Dawson, Jet Propulsion Laboratory; Alvaro DeCarvalho,
Water Environment Research Federation; David Emmerson, U.S. Depart-
ment of Interior; Bruce Engelbert, U.S. Environmental Protection Agency
Superfund Community Involvement and Outreach; Tim Fields, Tetra Tech
EM, Inc.; Baruch Fischhoff, Carnegie Mellon University; Amy Fitzgerald,
City of Oak Ridge, Tennessee; Victoria Friedensen, National Aeronautics
and Spacec Administration; Elena Gonzalez, U.S. Department of the Inte-
rior; Tanya Heikkila, Columbia University; Kasha Helget, Federal Energy
Regulatory Commission; Elizabeth Howze, Agency for Toxic Substances
and Disease Registry; Marcia Keenan, Office of Policy, National Park
Service; Jeremy Kranowitz, The Keystone Center; Linda Lampl, Lampl
Herbert Consultants; Laura Langbein, American University; Charles Lee,
U.S. Environmental Protection Agency; Onora Lien, Center for Biosecurity
of UPMC; Mark Lubell, University of California, Davis; Tanya Maslak,
U.S. Environmental Protection Agency; Katherine McComas, Cornell Uni-
versity; Jennifer Nuzzo, Center for Biosecurity, University of Pittsburgh
Medical Center; Robert O’Connor, National Science Foundation; Lola
Olabode, Water Environment Research Foundation; Suaquita (Kita) Perry,
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x PREFACE
U.S. Army Center for Health Promotion and Preventative Medicine Health
Risk Communication Program; David Rejeski, Foresight and Governance
Project, Woodrow Wilson Center International Center for Scholars; Anca
Romantan, University of Pennsylvania; Adam Scheffler, Chicago, IL; Frances
Seymour, World Resources Institute; Michael Slimak, U.S. Environmental
Protection Agency; Roxanne Smith, U.S. Army Center for Health Promo-
tion and Preventative Medicine Health Risk Communication Program;
Jasmine Tanguay, CLF Ventures, Inc.; and Thomas Webler, Social and
Environmental Research Institute.
We also commissioned several papers that were critical to the report by
providing detailed analyses of public participation in what we call “fami-
lies” of cases—cases that were similar in the environmental issues addressed
and in the institutional contexts in which they were carried out. We thank
the authors for their work, without which we could not have come as far
as we did:
• Evaluating Public Participation in Environmental Decisions; Judith
Bradbury, Pacific Northwest National Laboratory
• Negotiated and Conventional Rulemaking at EPA: A Comparative
Case Analysis; Laura Langbein, American University
• Watershed Partnerships: Evaluating a Collaborative Form of Public
Participations; Mark Lubell, University of California, Davis, and William
D. Leach, California State University, Sacramento
• Stakeholder Involvement in the First U.S. National Assessment
of the Potential Consequences of Climate Variability and Change: An
Evaluation, Finally; Susanne C. Moser, National Center for Atmospheric
Research
Finally, the sponsors of the study at the Forest Service of the U.S.
Department of Agriculture, the Food and Drug Administration, the U.S.
Department of Energy, and, especially, the U.S. Environmental Protec-
tion Agency have shown a deep commitment to effective public engage-
ment by supporting this study at a time of budget constraints and shifting
priorities.
We believe that our study has had benefits beyond this volume and that
it will continue to do so. For example, it established new communication
links between the National Research Council and organizations involved in
addressing the practical challenges of environmental public participation.
It provided educational opportunities for five Christine Mirzayan Fellows
at the National Research Council during the course of the panel’s work:
Rebecca Zarger, Rebecca Romsdahl, Loraine Lundquist, Rachael Shwom,
and Hannah Brenkert-Smith. Their insights and engagement were of great
value to the project. And we hope it will help promote the continuation of
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xi
PREFACE
the dialogue between theory and practice that was so helpful during the
course of our study.
This report has been reviewed in draft form by individuals chosen for
their diverse perspectives and technical expertise, in accordance with proce-
dures approved by the Report Review Committee of the National Research
Council. The purpose of this independent review is to provide candid and
critical comments that will assist the institution in making its published
report as sound as possible and to ensure that the report meets institutional
standards for objectivity, evidence, and responsiveness to the study charge.
The review comments and draft manuscript remain confidential to protect
the integrity of the deliberative process.
We thank the following individuals for their review of this report:
Richard N. Andrews, Department of Public Policy, University of North
Carolina; Sue Briggum, Federal Public Affairs, WM Waste Management,
Washington, DC; Archon Fung, John F. Kennedy School of Government,
Harvard University; Jerome B. Gilbert, President’s Office, J. Gilbert,
Inc., Orinda, CA; Robin Gregory, Senior Researcher, Decision Research,
Canada; Kathy Halvorsen, Forest Resources and Environmental Science
and Social Sciences, Michigan Technological University, Houghton, MI;
Evan Ringquist, Public and Environmental Affairs, Indiana University;
Douglas J. Sarno, The Perspectives Group, Inc., Alexandria, VA; Mark E.
Warren, Department of Political Science, University of British Columbia;
and Julia Wondolleck, School of Natural Resources and Environment,
University of Michigan.
Although the reviewers listed above have provided many constructive
comments and suggestions, they were not asked to endorse the conclusions
or recommendations nor did they see the final draft of the report before its
release. The review of this report was overseen by Lorraine M. McDonnell,
Department of Political Science, University of California, Santa Barbara,
and Susan Hanson, School of Geography, Clark University. Appointed by
the National Research Council, they were responsible for making certain
that an independent examination of this report was carried out in accor-
dance with institutional procedures and that all review comments were
carefully considered. Responsibility for the final content of this report rests
entirely with the authoring committee and the institution. Nonetheless, we
thank the reviewers and the review coordinator for diligent analysis that
greatly improved the quality of the report.
Thomas Dietz, Chair
Panel on Public Participation in
Environmental Assessment and Decision Making
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Contents
Executive Summary 1
1 Introduction 7
Defining Public Participation, 11
Dimensions of Participation, 14
Objectives and Scope of the Study, 18
Sources of Knowledge, 21
How We Conducted the Study, 27
Guide to the Report, 29
Notes, 30
2 The Promise and Perils of Participation 33
Historical Development: Laws and Agency Practices, 36
Purposes of Public Participation, 43
Justifications for and Problems with Public Participation, 46
Pitfalls, 51
Criteria for Evaluation, 66
Conclusion, 73
Notes, 74
3 The Effects of Public Participation 75
Does Public Participation Improve Results?, 76
Associations Among Results: Can You Have It All?, 86
xiii
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xiv CONTENTS
Conclusion, 91
Notes, 92
4 Public Participation Practice: Management Practices 95
Clarity of Purpose, 96
Agency Commitment, 99
Adequate Capacity and Resources, 101
Timeliness in Relation to Decisions, 103
A Focus on Implementation, 105
Commitment to Learning, 106
Conclusion, 109
5 Practice: Organizing Participation 111
Public Participation Formats and Practices, 111
Dimensions of Participatory Process, 115
Breadth, 118
Openness of Design, 122
Intensity, 126
Influence, 132
Conclusion, 135
Note, 135
6 Practice: Integrating Science 137
Integration, 138
Challenges of Integration, 140
Meeting the Challenges, 144
Conclusion, 152
Summary: The Practice of Participation, 154
7 Context: The Issue 157
Purpose of the Process: Assessment or Decision Making, 158
Nature of the Environmental Issue, 161
The Science, 167
Conclusions, 180
Notes, 182
8 Context: The People 187
Convening and Implementing Agencies, 187
Who Participates, 192
Adequacy of Representation, 193
Differing Perspectives, 202
Polarization, 205
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xv
CONTENTS
Power Disparities, 207
Role of Representatives, 209
Trust, 210
Conclusions, 214
Notes, 216
9 Overall Conclusions and Recommendations 223
The Value of Public Participation, 226
Management, 227
Organizing the Process, 230
Integrating Science, 233
Implementation, 236
Needed Research, 238
Notes, 243
References 245
Appendix: Biographical Sketches of Panel Members and Staff 299
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