Gregory A. Bibler

Attorney Profile

Top Rated Environmental Attorney in Newburyport, MA

Bibler Law Firm, PLLC
 | 29 Water St, Suite 210
Newburyport, MA 01950
Phone: 978-255-1455
Selected To Super Lawyers: 2004 - 2021
Licensed Since: 1985
Education: Harvard Law School
Practice Areas:
  • Environmental (50%),
  • Environmental Litigation (50%)
    Attorney Profile

    Attorney Gregory A. Bibler is the founder of Bibler Law Firm, PLLC, a boutique environmental firm in Newburyport, Massachusetts. A veteran practitioner with more than 30 years of experience, Mr. Bibler focuses exclusively on environmental law, serving the needs and interests of a diverse range of clients throughout the country.  A nationally recognized environmental lawyer, he has received top rankings from his peers, including Chambers USA (Band 1), Best Lawyers in America (Lawyer of the Year in Environmental and Environmental Litigation), and Massachusetts Super Lawyers.

    Mr. Bibler provides strategic analysis, advice and advocacy to clients across a spectrum of environmental matters.  Key areas of his practice include:

    • Environmental litigation
    • Environmental regulation and enforcement
    • Administrative permitting and rule-making
    • Corporate compliance
    • Contaminated site management
    • Environmental risk allocation in business transactions

    A large part of Mr. Bibler's practice is advising and assisting clients in responding to serious compliance and enforcement challenges concerning air emissions, wastewater discharges, hazardous waste and materials management, and contaminated site cleanups.  He is often called upon in urgent circumstances to manage internal audits, self-disclosures, government investigations, whistleblower complaints and suits brought by citizen groups.  He advises companies on creating and implementing effective environmental auditing and management systems, sustainability programs, and financial disclosure frameworks.  He also is called upon routinely to provide counsel and negotiate environmental terms for corporate acquisitions, equity investments, and real estate transactions.

    Mr. Bibler is well known for his work on Superfund and state disposal sites across the country.  His work at these sites includes strategic site evaluation and management, negotiations with governmental authorities, and litigation and mediation of cost allocation disputes.  He is well versed in existing and emerging policies and regulations governing site cleanups in Massachusetts.  He has represented the regulated community repeatedly in work groups and rulemaking proceedings, and published and lectured widely, concerning Massachusetts requirements in that area.  

    A 1981 summa cum laude graduate of Harvard University, Mr. Bibler returned to his alma mater after receiving a fellowship to study at Cambridge University and obtained his Juris Doctor magna cum laude from Harvard Law School in 1985. He holds his license to practice in Massachusetts, New York and the District of Columbia, and he is also admitted to practice before the U.S. District Courts for the District of Massachusetts, the District of Maine and the District of Columbia as well as before the U.S. Court of Appeals for the 1st Circuit and the District of Columbia Circuit.

    Mr. Bibler has received top rankings from Chambers USA: America's Leading Lawyers for Business and the AV Preeminent™ ranking from Martindale-Hubble.  He received Boston's Lawyer of the Year Award from U.S. News & World Report and Best Lawyers® for Environmental Law in 2016 and Environmental Litigation in 2019. In 2018 he received the Buzzards Bay Guardian Award for his pro bono work on behalf of the Buzzards Bay Coalition.  He has been admitted as a fellow of the American College of Environmental Lawyers and the American Bar Association.

    Best Lawyers® and The Best Lawyers in America© are registered trademarks of BL Rankings, LLC d/b/a Best Lawyers and Co., LLC. The names, logo, and database are protected under the trademark, copyright, and fair use laws of the United States of America. Any use of name, including in electronic form, must be made only by permission and under the guidelines of BL Rankings, LLC d/b/a Best Lawyers and Co., LLC.


    Practice Areas
    • 50%Environmental
    • 50%Environmental Litigation


    Selected to Super Lawyers for 18 yearsbottom-image

    Super Lawyers: 2004 - 2021

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    About Gregory Bibler

    Admitted: 1985, Massachusetts

    Professional Webpage:


    • The Buzzards Bay Guardian Award
    • Chambers USA: America’s Leading Lawyers for Business
    • U.S. News-Best Lawyers, which selected him as Boston’s “Lawyer of the Year” for Environmental Law in 2016 and Environmental Litigation in 2019
    • The American Bar Foundation, Fellow
    • The American College of Environmental Lawyers, Fellow

    Bar/Professional Activity:

    • U.S. District Court for the District of Maine
    • U.S. District Court for the District of Columbia
    • U.S. District Court for the District of Massachusetts
    • U.S. Court of Appeals for the District of Columbia Circuit
    • U.S. Court of Appeals for the First Circuit
    • Massachusetts
    • New York
    • District of Columbia

    Scholarly Lectures/Writings:

    • Speaker, Vapor intrusion: science, law, and strategy
    • Speaker, Potential benefits and pitfalls of emerging new diligence technologies
    • Speaker, Lessons learned from recent environmental suits against lenders
    • Speaker, Trying environmental and land use claims
    • Speaker, New Massachusetts regulations and guidance for waste site cleanup
    • “Structuring the Transaction to Allocate Environmental Liability,” Environmental Aspects of Real Estate and Commercial Transactions (2011)
    • “Disclosing Environmental Liabilities In the Wake of Sarbanes-Oxley,” The Metropolitan Corporate Counsel (April 2003)
    • “Contaminated Sediments: Are There Alternatives to Superfund?,” Natural Resources & Environment (Fall 2003)
    • “All Appropriate Inquiry Standard Will Create Substantive New Requirements For Phase I Environmental Site Assessments,” The Metropolitan Corporate Counsel (April 2004)
    • “Increased Scrutiny of Indoor Air Pathway Shifts Investigation & Cleanup Standards,” Toxics Law Reporter (November 2005)
    • “The Environmental Protection Agency May Reopen Institutional Controls at Completed Sites,” Real Estate Finance (October 2005)
    • “Ashtabula River Restoration Project Establishes New Federal Funding Precedent,” Daily Environment Report (November 2006)
    • “New Rules Require Accounting for Future Environmental Costs,” The Metropolitan Corporate Counsel (April 2007)
    • “New ASTM Standard Provides Limited Tool for Assessing Vapor Intrusion Risks,” Daily Environment Report (September 2008)
    • “Flint Inspires Renewed Vigilance for Lead in Drinking Water,” EBA News/Winter Journal (2017)
    • “Promoting Sustainability Can Create Value for PE Firms,” Law360 (November 2012)
    • “Getting the Green Light from FTC for Green Claims,” Law360 (November 2013)
    • “A Wider Play of Shale: A Hydraulic Fracturing Primer,” RESource (January 2014)
    • “MassDEP Issues Sweeping Amendments to Mass. Contingency Plan,” Banker & Tradesman (March 2014)

    Educational Background:

    • Harvard University, A.B., 1981, summa cum laude, Phi Beta Kappa “Junior Twelve”
    • Christ’s College, Cambridge University, John Knox Fellow: 1981–82
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    Office Location for Gregory A. Bibler

    29 Water St
    Suite 210
    Newburyport, MA 01950

    Phone: 978-255-1455

    Gregory A. Bibler:

    Last Updated: 5/5/2021

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