Department profile
Environment
USA Guide 2026 : District of Columbia
Rankings
Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Crowell & Moring acted in defense of Denver Water's expansion of the Gross Dam and Reservoir in Boulder County, Colorado.
Strengths
Provided by Chambers
Crowell's environmental team has the depth and breadth to handle very nuanced issues efficiently.
Environment respondentUSAIts attorneys have deep expertise in environmental law, they are very thoughtful and strategic and give practical advice.
Environment respondentUSACrowell's attorneys are responsive, client-oriented and understand complexities extremely well.
Environment respondentUSA
Notable Practitioners
Provided by Chambers
Senior Statespeople 
Senior Statespeople Thomas A. Lorenzen
Thomas Lorenzen is a highly regarded attorney noted for his work managing the defense of EPA rules in petitions for review and other challenges. He also provides expert compliance counsel to large corporations. Band 2 
Band 2 Kirsten L Nathanson
Kirsten Nathanson has an environmental practice covering the full range of environmental statutes and regulations. She acts for clients in litigation and enforcement defense. She is particularly notable for her Superfund work. Kirsten is our number-one choice for business-critical matters. She is a creative thinker and very knowledgeable.
Environment respondentUSA
Band 3 
Band 3 David Chung
David Chung acts in enforcement defense and litigation at both the district and appellate levels arising under a range of federal environmental and land use laws. He has notable experience working for trade associations. David is very responsive, a creative thinker, immerses himself in a matter and understands every detail.
Environment respondentUSADavid is great, the Clean Water Act is not easy and he provides technical expertise unparalleled in this space.
Environment respondentUSADavid Chung is a talented litigator that delivers excellent client service.
Environment respondentUSA
Band 5 
Band 5 Amanda Shafer Berman
Amanda Berman is sought out by clients for her ability to handle complex environmental litigation. She is particularly noted for her expertise in pesticides and emissions standards. She is very knowledgeable, strategic and gives good advice.
Environment respondentUSAAmanda Berman is a very talented oral advocate and a pleasure to work with.
Environment respondentUSAAmanda is incredibly intelligent and perceptive, she sees many steps ahead. She is an invaluable member of the Crowell team.
Environment respondentUSA
Band 6 
Band 6 Juge Gregg
Juge Gregg cochairs the firm's environmental, social and governance team and is a highly sought after and respected ESG attorney.
Juge Gregg will always be there and has a rounded understanding of what the issues are.
Environment respondentUSAJuge is the real deal; if you consider him, you won't go wrong.
Environment respondentUSA
Ranked Individuals at Crowell & Moring LLP (5)
District of Columbia
Thomas A. Lorenzen
Environment
View profile Kirsten L Nathanson
Environment
View profile David Chung
Environment
View profile Amanda Shafer Berman
Environment
View profile Juge Gregg
Environment
View profile
Crowell & Moring LLP has rankings in the following guides
Band 4
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