• Adam Riedel

    Energy, Environment and Natural Resources
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    Direct: 202.585.6522
    General: 202.585.6500
    Fax: 202.585.6600


    Duke University School of Law, J.D., cum laude, 2009


    Duke University Nicholas School of the Environment and Earth Sciences, M.A., 2009


    The George Washington University, B.A., magna cum laude, 2004

    Bar Admissions
    New York and the District of Columbia
    • Profile
    • Representative Matters
    • Honors & Awards
    • Publications
    • Memberships & Activities
    • Speaking Engagements


    Adam Riedel is an associate with the Energy, Environment and Natural Resources practice in the Washington, D.C., office.  His practice focuses on the resolution of environmental enforcement matters, compliance counseling, climate change regulation and the management and resolution of environmental issues in transactional contexts.  His experience includes:

    • Counseling a private equity client on climate change regulatory risks in connection with the potential acquisition of a cement manufacturing company
    • Advising a major, international chemical company on environmental liabilities and compliance matters in connection with the acquisition of operations and properties from a bankrupt company
    • Advising clients on environmental disclosure obligations under SEC reporting rules and in securities offerings
    • Advising potentially responsible parties (PRP) on their cleanup obligations pursuant to a consent decree at a Superfund National Priorities List (NPL) site and strategies for obtaining site delistment

    Prior to joining Manatt, Mr. Riedel served as the Associate Director of the Columbia Law School Center for Climate Change Law, and before joining the Center for Climate Change Law, he was an associate in the environmental group at a large, international law firm.

    Prior to beginning his career as an attorney, Mr. Riedel served as a staff member for a member of Congress where, among other duties, he advised on environmental and energy issues.

    Representative Matters

    Honors & Awards


    Quoted, “EPA Stands Ground on MATS with Final Cost Consideration,” Power Magazine, April 21, 2016.

    Quoted, "EPA Reaffirms Finding on Mercury, Toxics Standards After High Court Ruling," Bloomberg BNA Daily Environment Report, April 18, 2016.

    Quoted, "First Word Energy," Bloomberg Government, April 15, 2016.

    Quoted, “White House wraps up review of mercury rule,” Environment & Energy Daily, April 14, 2016.

    Quoted, “Attorneys React To The Paris Climate Change Deal,” Law360, December 14, 2015.

    Quoted, “Ties that bind: States rise up against CPP,” FierceEnergy, September 28, 2015.

    Quoted, “DIALOGUE: How will US states shape up to Obama’s Clean Power Plan?” Carbon Pulse, August 7, 2015.

    Quoted, “New Deadline May Be First Of Many Changes To Ease ESPS' Interim Targets,” Inside EPA, July 30, 2015.

    Quoted, “As ESPS Nears, Mississippi Joins States' Calls To Ease Strict GHG Limits,” Inside EPA, July 27, 2015.

    Author, “Changes Likely in Final Version of EPA’s Clean Power Plan,” Environmental Leader, July 21, 2015.

    Author, “EPA’s Proposed Power Plant Climate Rule Could Reach Far Beyond Power Plants,” Manufacturing.net, September, 25, 2014.

    Quoted, “How carbon cuts are measured determines winners, losers,” Chicago Tribune, September 19, 2014.

    Author, “Supreme Court limits EPA authority to regulate GHG emissions,” Fierce Energy, August 12, 2014.

    Author, “Obama Administration Sets its Sights on Methane Emissions,” Environmental Leader, April 14, 2014.

    "Encouraging Energy Efficiency Through NEPA Comments," Columbia Law School Center for Climate Change Law, July 2012.

    "Companies Should Recalibrate Climate Change SEC Disclosure Away from Regulatory Risks and Towards Adaptation Risks," Acclimatise Expert Opinion, January 2012.

    Memberships & Activities

    Admitted to practice in the state of New York and the District of Columbia.


    Speaking Engagements

    Speaker, “Climate Change 2016: EU and UN partnering with the Private Sector,” Paris COP21: the Need for a Historic, Ambitious, Binding Deal, EU@UN-Forum Symposium, November 30, 2015.

    Speaker, “Hazardous Waste and Sites,” ELI’s Summer School, Washington, D.C., June 30, 2015.

    “New Directions in Environmental Law,” Yale Law School, February 25, 2012.