Widely recognized as market-leading experts on regulatory compliance obligations and the defense of clients in enforcement proceedings, Arnold & Porter‘s environmental practice has a deep bench of individuals with experience in government positions, including the EPA. With expertise in the full gamut of US environmental laws, the firm stands out for its work on regulatory, compliance, and enforcement matters relating to the Clean Air Act. The predominantly Washington DC-based practice is co-steered by Jonathan Martel and Allison Rumsey. Martel is a standout advisor on Clean Air Act regulations and litigation, regularly appearing before the EPA, while Rumsey is chiefly engaged by clients in state and federal regulatory enforcement actions. Ethan Shenkman brings longstanding government experience to his practice at the firm, focusing on climate change policy and regulation. Elsewhere in the DC office, Samuel Pickerill works closely with clients in the energy transition industries, overseeing on the Clean Air Act and the Safe Drinking Water Act. Colorado’s Sarah Grey is a notable name in energy transition, decarbonization, and climate change policy and regulation, complemented by technical expertise in climate change.
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Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Client satisfaction: NPS ®
Key clients
- Honeywell International
- Chemours
- Donlin Gold, a JV between Barrick Gold Corporation and NOVAGOLD Resources
- Barrick Gold
- Cook Inlet Region Inc.
- NANA Regional Corp.
- Growth Energy
- Duke Energy
- bp
- Iogen
- Colonial Oil
- NATSO
Work highlights
Represents Honeywell with respect to the ongoing CERCLA remedial investigations and remedy selection processes at numerous mega-sites in the New York/New Jersey waterways, including Newark Bay, the Lower Passaic, Berry’s Creek, and the Gowanus Canal.
Acted with Duke Energy on key federal rulemakings relating to power sector GHG emissions and the energy transition.
Defending Donlin Gold against multifaceted environmental challenges and securing Army Corps of Engineers and Bureau of Land Management permits for a large gold mine, located in Alaska.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Ethan Shenkman
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Sarah Grey
Stacey Halliday
Practice head
Allison Rumsey; Jonathan Martel
Other key lawyers
Ethan Shenkman; Samuel Pickerill; Sarah Grey