
Environment
USA Guide 2026 : District of Columbia
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Arnold & Porter
Arnold & Porter Kaye Scholer's environmental group offers clients access to leading practitioners in every area of environmental law.
We handle precedent-setting challenges across the country, in state and federal courts and at the appellate level. Team members have served in senior government positions such as Deputy GC, EPA and EPA leadership roles involving the CAA, TSCA, and FIFRA; Chief of the Environmental Enforcement Sect, DOJ; Under Sec. for Natural Resources and the Environment, USDA; and Deputy Commissioner & GC, NY State Dept. of Environmental Conservation; as well as the current Director of the Sabin Center for Climate Change Law. Our practice spans:
- Litigation & Enforcement: We have experience in civil & criminal enforcement under every federal statute; contaminated site cleanups, & litigation; catastrophic incident defense and crisis management; and toxic tort claims associated with an array of groundwater, air pollution, toxic chemical, radioactivity, and public nuisance matters.
- Regulatory: We advise clients on the full range of environmental issues, assist in developing compliance programs, counsel on risk mitigation, identify and manage product supply chain issues, and obtain needed permits and approvals for projects.
- Transactional: We manage environmental assessments, negotiate contracts and land use permitting for development projects. We also advise on the environmental aspects of multi-jurisdictional transactions.
Industries (8)
- Aerospace/Defense
- Automobile/Parts
- Chemicals
- Consumer Goods
- Energy
- Industrial Engineering
- Transportation
- Utilities
Chambers Review
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Work Highlights
Provided by Chambers
Arnold & Porter represented Honeywell International in a putative toxic tort class action concerning multiple personal injury and wrongful death cases, allegedly arising from exposure to radioactive emissions from a uranium conversion facility.
Strengths
Provided by Chambers
The team's attorneys are knowledgeable in their subject matters, and the firm is able to pull in colleagues with expertise in a wide range of areas.
Environment respondentUSAArnold & Porter can provide excellent top shelf legal services for environmental issues including compliance, regulatory and everything in between. It is a trusted source for counselling and helping us navigate a disrupted regulatory landscape.
Environment respondentUSAThe firm is fantastic and does an excellent job. It's attorneys are very thoughtful, diligent, detail-orientated and organized.
Environment respondentUSAArnold & Porter is often recognized and regarded as best in the class, representing a more practical approach to regulatory development and often receive prompt response from regulatory agencies.
Environment respondentUSA
Notable Practitioners
Provided by Chambers
Senior Statespeople 
Senior Statespeople 
Joel M Gross
Joel Gross advises clients on natural resource damages claims and civil and criminal enforcement proceedings under air, water and waste statutes. Band 2 
Band 2 
Jonathan Martel
Jonathan Martel is a specialist in the CAA with extensive experience across the full range of related regulatory matters and litigation. He is able to draw on prior government experience working within EPA. Jonathan Martel is a really wonderful lawyer; he's well established and a trusted advisor.
Environment respondentUSAJonathan has world-class subject matter knowledge, communication and counselling skills.
Environment respondentUSAJonathan is a clean air expert, he knows the act inside and out and is an exceptional environmental lawyer.
Environment respondentUSA
Band 3 
Band 3 
Ethan Shenkman
Ethan Shenkman brings extensive experience to bear when advising on regulatory matters. He is particularly adept in issues relating to the Clean Air Act. Ethan's ability to assess the law and understand in the most complex circumstances how it should be applied is remarkable. I have immense admiration for him in terms of his legal ability and intellectual firepower.
Environment respondentUSA
Band 4 
Band 4 
Michael D Daneker
Michael Daneker is primarily focused on disputes. His practice covers environmental law-related toxic tort, citizen suits, Superfund litigation and CWA cases. Band 6 
Band 6 
Lawrence E Culleen
Lawrence Culleen is recognized for his extensive experience advising on EPA regulatory programs. He is particularly strong advising on matters concerning TSCA and FIFRA. Lawrence is expert in understanding the needs of his client and the delivery of work products.
Environment respondentUSA
Band 6 
Band 6 
Stacey Halliday
Stacey Sublett specializes in environmental justice, compliance and corporate social responsibility, leading audits, investigations and enforcement matters. Stacey Halliday is a phenomenal lawyer; she is very level-headed and reasonable in strategy and advice.
Environment respondentUSAStacey is a really outstanding.
Environment respondentUSA
Ranked Individuals at Arnold & Porter (6)
Members
Provided by Arnold & Porter

Brian Israel
Head of Department

Jonathan Martel
View profile of Jonathan Martel
Joel M Gross
View profile of Joel M Gross
Lawrence E Culleen
View profile of Lawrence E Culleen
Michael D Daneker
View profile of Michael D Daneker
Ethan Shenkman
View profile of Ethan Shenkman
Stacey Halliday
View profile of Stacey Halliday
Arnold & Porter has rankings in the following guides
Band 2
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