Caleb Holmes

Caleb Holmes


Greenberg Traurig

Recognized since 2024

Philadelphia, Pennsylvania

Practice Areas

Environmental Law

Litigation - Environmental

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Caleb’s practice focuses on complex environmental litigation and environmental compliance. Caleb has represented clients in state and federal courts and in administrative proceedings. In his environmental litigation practice, Caleb often represents corporate clients in cost recovery, contribution and government enforcement actions under Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). Caleb has litigated such matters through trial and has also helped clients negotiate and settle matters. He has worked with clients on cases involving a wide variety of contaminants, including but not limited to PCBs, PFAS, and dioxins. Caleb also has broad experience litigating complex commercial litigation, including products liability and mass tort/toxic tort matters. He has a depth of experience with all aspects of discovery, including work with experts, taking and defending depositions, motion practice, trial preparation and settlement negotiation.

Caleb provides practical advice to clients in the acquisition and disposition of businesses and assets and the re-development of brownfield sites. He works with clients to achieve compliance with state-specific voluntary cleanup programs, including Pennsylvania’s Land Recycling Program (Act 2).

Caleb counsels clients on compliance with a broad range of federal and state environmental laws, including RCRA, the Clean Air Act, the Clean Water Act, and a host of other federal and state environmental laws.

In addition to his legal work, Caleb is active in various professional and civic organizations. He is currently serving as the Council’s Secretary for the Pennsylvania Bar Association’s Environmental and Energy Law Section.

Concentrations
  • Air, water and waste regulation
  • Superfund and contamination
  • Oil and gas development

Location
  • 1717 Arch Street, Suite 400
    Philadelphia, PA 19103
Education
  • Vermont Law School, graduated 2007

Greenberg Traurig
Headquarters: New York, New York

597 The Best Lawyers in America® awards

284 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2025 for work in:
  • Environmental Law
  • Litigation - Environmental

Publications

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