Department profile
Arnold & Porter

Climate Change

USA Guide 2026 : USA - Nationwide

Share profile

Arnold & Porter

Rankings

Chambers Review

Provided by Chambers

Climate Change - USA - Nationwide

Band 2

What the Team is Known For

Arnold & Porter is recognized for its handling of complex cases in relation to emerging climate change regimes. The firm's expertise includes greenhouse gas regulation of automobiles and related emissions litigation, and regularly assists a range of clients on carbon trading, renewable fuel standards and permitting under the CAA. It is also noted for providing counsel on green real estate projects and fuel efficiency regulations.

View ranking table

Work Highlights

Provided by Chambers

  • Arnold & Porter advises Growth Energy, a biofuel trade association, on litigation and regulatory assistance.

Strengths

Provided by Chambers

  • Not only do they provide expert legal advice, the attorneys at the firm are also extremely forward thinking about overall strategy.

    Climate Change respondentUSA

  • The partners, junior partners and associates at Arnold & Porter are all very good at what they do.

    Climate Change respondentUSA

  • Concise yet relevant advice on applicable regulations and laws.

    Climate Change respondentUSA

Notable Practitioners

Provided by Chambers

  • Ethan Shenkman
    Ethan Shenkman

    Ethan Shenkman

    Ethan Shenkman is an experienced environmental litigator who represents a variety of clients in state and federal courts. As former Deputy General Counsel at the EPA, Mr Shenkman is well versed in advising on biofuels regulation, the Renewable Fuels Standard and other climate-related litigation.

    • Ethan is extremely knowledgeable. His work on legal risk and opportunity when it comes to the Clean Air Act is a real asset.

      Climate Change respondentUSA
    View profile
  • Jonathan Martel
    Jonathan Martel

    Jonathan Martel

    Jonathan Martel has an excellent reputation for advising on climate change regulations. He represents electric utilities and companies in the consumer product and automotive industries in rulemakings, enforcement actions and litigated rule challenges.

    • Jonathan offers a deep level of understanding and expertise.

      Climate Change respondentUSA
    View profile
  • Sarah Grey
    Sarah Grey

    Sarah Grey

    Sarah Grey advises clients on a variety of climate change matters, with particular expertise on federal Renewable Fuel Standards, California's Low Carbon Fuel Standard and the Clean Air Act.

    • Sarah has excellent legal acumen when working with in-house counsel and commercial clients.

      Climate Change respondentUSA

    • Sarah is great attorney, she is incredibly knowledgeable, responsive and does a fantastic job.

      Climate Change respondentUSA
    View profile

Ranked Individuals at Arnold & Porter (3)

USA - Nationwide

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership