Brook's practice focuses on climate change, renewable energy, and environmental litigation.

He helps his clients to negotiate, structure, and implement transactions related to climate change and environmental commodities markets. He regularly counsels clients during transactions under the European Union Emissions Trading System (EU ETS), California’s cap and trade program (AB 32), and other United States and international emissions trading programs. Brook also supports clients in the renewable energy industry, providing advice on renewable energy policies, regulations, and incentive programs and counseling clients on the environmental aspects of renewable energy projects and transactions. Brook’s experience also includes complex environmental litigation, and he has served as litigation and appellate counsel during dozens of proceedings in state and federal courts across the country.

    Prior to joining the firm, Brook was an associate in the environmental department of a large international law firm.

    Brook served as a law clerk at the U.S. Department of Justice, Environment and Natural Resources Division, where he worked on a range of legal issues arising under federal environmental law, including Clean Water Act (CWA) wetlands jurisdiction, CERCLA liability, Resource Conservation and Recovery Act (RCRA) compliance, and National Environmental Policy Act (NEPA) requirements. Brook was Associate Editor of the Lewis & Clark Law School Environmental Law Review and served on the Moot Court Honor Board. At Dartmouth College, Brook worked as a teaching assistant in the Environmental Studies Department, and as a research assistant in the Biology Department.

    Brook currently serves as co-chair of the Boston Bar Association’s Air Quality & Climate Change Committee. Brook also maintains an active pro bono practice, counseling individuals and non-profit entities on a range of legal matters in Massachusetts. 


    • Dartmouth College  (B.A., 1998)
      • Environmental Studies
    • Lewis & Clark  (J.D., magna cum laude, 2009)
      • Certificate in Environmental & Natural Resources Law

    Bar Admissions

    • Massachusetts
    • District of Columbia

    Court Admissions

    • U.S. Court of Appeals - First Circuit
    • U.S. Court of Appeals - Third Circuit
    • U.S. District Court – District of Columbia
    • U.S. District Court – Colorado

    Honors & Awards

    • Super Lawyers, part of Thomson Reuters, Massachusetts Rising Star (2017-2018)