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Environmental Impacts of Shale Gas Extraction in Canada

292 Pages · 2014 · 5.69 MB · English

  • Environmental Impacts of Shale Gas Extraction in Canada

    E i s G E


    nvironmEntal mpacts of halE as xtraction


    c


    in anada


    The Expert Panel on Harnessing Science and


    Technology to Understand the Environmental


    Impacts of Shale Gas Extraction


    Science Advice in the Public Interest ENVIRONMENTAL IMPACTS OF SHALE GAS EXTRACTION IN CANADA


    The Expert Panel on Harnessing Science and Technology to Understand


    the Environmental Impacts of Shale Gas Extraction ii Environmental Impacts of Shale Gas Extraction in Canada


    THE COUNCIL OF CANADIAN ACADEMIES


    180 Elgin Street, Suite 1401, Ottawa, ON, Canada, K2P 2K3


    Notice: The project that is the subject of this report was undertaken with the approval


    of the Board of Governors of the Council of Canadian Academies. Board members are


    drawn from the Royal Society of Canada (RSC), the Canadian Academy of Engineering


    (CAE), and the Canadian Academy of Health Sciences (CAHS), as well as from the


    general public. The members of the expert panel responsible for the report were selected


    by the Council for their special competencies and with regard for appropriate balance.


    This report was prepared for the Government of Canada in response to a request from


    the Minister of Environment. Any opinions, findings, or conclusions expressed in this


    publication are those of the authors, the Expert Panel on Harnessing Science and


    Technology to Understand the Environmental Impacts of Shale Gas Extraction, and do


    not necessarily represent the views of their organizations of affiliation or employment.


    Library and Archives Canada Cataloguing in Publication


    Environmental impacts of shale gas extraction in Canada / The Expert Panel on Harnessing


    Science and Technology to Understand the Environmental Impacts of Shale Gas Extraction.


    Issued also in French under title: Incidences environnementales liées à l’extraction


    du gaz de schiste au Canada.


    Includes bibliographical references and index.


    Issued in print and electronic formats.


    ISBN 978-1-926558-77-6 (bound). ISBN 978-1-926558-78-3 (pdf)


    1. Shale gas industry–Canada. 2. Shale gas industry–Environmental aspects–Canada.


    3. Hydraulic fracturing–Environmental aspects–Canada. I. Council of Canadian


    Academies. Expert Panel on Harnessing Science and Technology to Understand


    the Environmental Impacts of Shale Gas Extraction, author II. Title.


    TN882.C3E58 2014 338.2'72850971 C2014-901141-5


    C2014-901142-3


    This report should be cited as: Council of Canadian Academies, 2014. Environmental Impacts


    of Shale Gas Extraction in Canada. Ottawa (ON): The Expert Panel on Harnessing Science


    and Technology to Understand the Environmental Impacts of Shale Gas Extraction,


    Council of Canadian Academies.


    Disclaimer: The internet data and information referenced in this report were correct,


    to the best of the Council’s knowledge, at the time of publication. Due to the dynamic


    nature of the internet, resources that are free and publicly available may subsequently


    require a fee or restrict access, and the location of items may change as menus and


    webpages are reorganized.


    © 2014 Council of Canadian Academies


    Printed in Ottawa, Canada


    This assessment was made possible with


    the support of the Government of Canada. The Council of Canadian Academies iii


    The Council of Canadian Academies


    Science Advice in the Public Interest


    The Council of Canadian Academies (the Council) is an independent, not-for-


    profit organization that supports independent, science-based, authoritative expert


    assessments to inform public policy development in Canada. Led by a 12-member


    Board of Governors and advised by a 16-member Scientific Advisory Committee,


    the Council’s work encompasses a broad definition of science, incorporating the


    natural, social, and health sciences as well as engineering and the humanities.


    Council assessments are conducted by independent, multidisciplinary panels of


    experts from across Canada and abroad. Assessments strive to identify emerging


    issues, gaps in knowledge, Canadian strengths, and international trends and


    practices. Upon completion, assessments provide government decision-makers,


    researchers, and stakeholders with high-quality information required to develop


    informed and innovative public policy.


    All Council assessments undergo a formal report review and are published and


    made available to the public free of charge in English and French. Assessments


    can be referred to the Council by foundations, non-governmental organizations,


    the private sector, or any level of government.


    The Council is also supported by its three founding Member Academies:


    The Royal Society of Canada (RSC) is the senior national body of distinguished


    Canadian scholars, artists, and scientists. The primary objective of the RSC is


    to promote learning and research in the arts and sciences. The RSC consists


    of nearly 2,000 Fellows — men and women who are selected by their peers


    for outstanding contributions to the natural and social sciences, the arts, and


    the humanities. The RSC exists to recognize academic excellence, to advise


    governments and organizations, and to promote Canadian culture.


    The Canadian Academy of Engineering (CAE) is the national institution


    through which Canada’s most distinguished and experienced engineers provide


    strategic advice on matters of critical importance to Canada. The Academy


    is an independent, self-governing, and non-profit organization established


    in 1987. Fellows are nominated and elected by their peers in recognition of


    their distinguished achievements and career -long service to the engineering


    profession. Fellows of the Academy, who number approximately 600, are


    committed to ensuring that Canada’s engineering expertise is applied to the


    benefit of all Canadians. iv Environmental Impacts of Shale Gas Extraction in Canada


    The Canadian Academy of Health Sciences (CAHS) recognizes individuals of


    great achievement in the academic health sciences in Canada. Founded in 2004,


    CAHS has approximately 400 Fellows and appoints new Fellows on an annual


    basis. The organization is managed by a voluntary Board of Directors and a


    Board Executive. The main function of CAHS is to provide timely, informed,


    and unbiased assessments of urgent issues affecting the health of Canadians. The


    Academy also monitors global health-related events to enhance Canada’s state


    of readiness for the future, and provides a Canadian voice for health sciences


    internationally. CAHS provides a collective, authoritative, multidisciplinary


    voice on behalf of the health sciences community.


    www.scienceadvice.ca


    @scienceadvice Expert Panel on Harnessing Science and Technology to Understand the Environmental Impacts of v


    Shale Gas Extraction


    Expert Panel on Harnessing Science and Technology


    to Understand the Environmental Impacts of


    Shale Gas Extraction


    John Cherry, FRSC (Chair), Director of the University Consortium for


    Field-Focused Groundwater Contamination Research, Associate Director of


    G360 – Centre for Applied Groundwater Research, and Adjunct Professor in


    the School of Engineering at the University of Guelph (Guelph, ON)


    Michael Ben-Eli, Founder & Director of the Sustainability Laboratory


    (New York, NY)


    Lalita Bharadwaj, Associate Professor, Toxicologist, School of Public Health,


    University of Saskatchewan (Saskatoon, SK)


    Richard Chalaturnyk, Professor of Geotechnical Engineering, Department of


    Civil and Environmental Engineering, University of Alberta (Edmonton, AB)


    Maurice B. Dusseault, Part-Time Professor of Engineering Geology, Department


    of Earth and Environmental Sciences, University of Waterloo (Waterloo, ON)


    Bernard Goldstein, Professor of Environmental and Public Health, Graduate


    School of Public Health, University of Pittsburgh (Pittsburgh, PA)


    Jean-Paul Lacoursière, Associate Professor, Chemical Engineering Department,


    University of Sherbrooke (Sherbrooke, QC)


    Ralph Matthews, Professor, Department of Sociology, the University of British


    Columbia (Vancouver, BC); Professor Emeritus of Sociology, McMaster University


    Bernhard Mayer, Professor of Isotope Geochemistry, Department of Geoscience,


    University of Calgary (Calgary, AB)


    John Molson, Canada Research Chair in Quantitative Hydrogeology of Fractured


    Porous Media, Department of Geology and Geological Engineering, Laval


    University (Québec, QC)


    Kelly Munkittrick, Director, Monitoring, Canada’s Oil Sands Innovation


    Alliance (Calgary, AB)


    Naomi Oreskes, Professor, Department of the History of Science, Harvard


    University (Cambridge, MA) vi Environmental Impacts of Shale Gas Extraction in Canada


    Beth Parker, Director, G360 Centre for Applied Groundwater Research,


    University of Guelph (Guelph, ON)


    Paul Young, FRSC, Vice President (Research) & Professor of Geophysics,


    University of Toronto (Toronto, ON) Message from the President vii


    Message from the President


    The development of unconventional oil and gas resources — including shale


    gas — holds prospects for dramatically changing the global energy supply.


    Jurisdictions worldwide are weighing the potential benefits and impacts of this


    development. As the world’s third-largest natural gas producer, fourth-largest


    exporter, and possessing vast shale gas resources of its own, Canada has a major


    stake in this new source of energy.


    The Council of Canadian Academies was asked by the federal Minister of


    Environment to assemble an expert panel to assess the state of knowledge about


    the impacts of shale gas exploration, extraction, and development in Canada.


    In response, the Council recruited a multidisciplinary panel of experts from


    Canada and the United States to conduct an evidence-based and authoritative


    assessment supported by relevant and credible peer reviewed research. As with


    all Council panels, members were selected for their experience and knowledge,


    not to represent any particular stakeholder group. The report does not include


    recommendations, since policy prescription falls outside the Council’s mandate.


    This report and its findings come early in the conversation about the development


    of Canada’s shale gas resources. Council assessments strive for consensus, which


    proved challenging in this case given the number of issues involved, the lack


    of evidence on some of those issues, and rapidly evolving industry practices.


    While this report is far from the last word on this topic, the Council believes


    the Panel has shed light on important matters that need further reflection.


    The report focuses on Canada as a whole but points to significant regional


    characteristics and differences wherever these are relevant. It is the Council’s


    hope that everyone engaged in and concerned about this topic will find value


    in the Panel’s assessment. The Council believes that this report can inform both


    public discussions and a future environmental research agenda on a natural


    resource that could play an important role in the future of several provinces.


    The Council is deeply appreciative of the contributions and assistance it received


    from numerous individuals and organizations throughout the course of its work.


    First and foremost the Council thanks the Expert Panel members who gave


    generously of their time and expertise for this challenging assessment, as well


    as the peer reviewers who commented on a draft of the report. The Council is


    grateful to Mark D. Zoback, Professor of Geophysics, Stanford University, and


    to Jennifer Miskimins, Associate Professor, Petroleum Engineering Department, viii Environmental Impacts of Shale Gas Extraction in Canada


    Colorado School of Mines, for their insight and counsel throughout the


    assessment. The Council also wishes to acknowledge the many other individuals


    and organizations that provided helpful advice throughout this assessment.


    Elizabeth Dowdeswell, O.C., President and CEO


    Council of Canadian Academies


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