Department profile
Arnold & Porter

Environment

USA Guide 2026 : California

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Arnold & Porter

Rankings

Chambers Review

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Environment - California

Band 4

What the Team is Known For

Arnold & Porter offers high quality advice on transactional due diligence and the redevelopment of contaminated sites. It is additionally skilled at assisting clients with high-stakes toxic tort and Proposition 65 litigation. The lawyers are experienced in handling disputes and investigations brought by activist groups as well as by state and federal agencies, the firm is also distinguished for its focus on toxics law and California's Green Chemistry initiative. The firm's clients include major multinationals and educational establishments. The team is well known for its work on greenhouse gas emissions and the CAA for the automobile industry.

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Work Highlights

Provided by Chambers

  • Arnold & Porter assist Ford in counseling on EPA Green Housegas rulemakings, litigation of challenges to GHG rules, and various related regulatory and compliance issues.

Strengths

Provided by Chambers

  • The firm is well-versed in environmental regulations and California-specific requirements.

    Environment respondentUSA

  • They are responsive to feedback and thoughtful about managing impact to the business. They add immense value.

    Environment respondentUSA

Notable Practitioners

Provided by Chambers

  • Zachary Fayne
    Zachary Fayne

    Zachary Fayne

    Zachary Fayne has notable skill in matters involving environmental litigation. He has notable expertise in the Clean Air Act and is recognized for his representation of clients from the automobile industry before regulators such as EPA and CARB.

    • His regulatory knowledge and guidance is first-rate.

      Environment respondentUSA

    • Zach is an exceptional problem solver. He does a very good job of gauging the impact on the business without me asking. He is one of the most responsive partners that I have worked with.

      Environment respondentUSA
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Ranked Individuals at Arnold & Porter (1)

California

Members

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Arnold & Porter has rankings in the following guides

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