Area of focus

Environmental Litigation

We represent clients in litigation matters governed by the environmental laws in courts and before agencies across the United States involving:

  • Civil and criminal enforcement actions
  • Cost recovery and contribution actions
  • Rulemaking challenges
  • Toxic torts
  • Citizens suits
  • Permit appeals
  • Water permit and allocation suits


We leverage the deep knowledge of our environmental attorneys on the substantive laws and regulations to develop the most effective litigation strategies and defenses. We team up with our nationally recognized civil and criminal trial litigators and our toxic tort, U.S. class action, and appellate practitioners to cover all aspects of complex litigation.

Representative experience

Represented Hyundai Motor Company in largest ever Clean Air Act mobile source enforcement action regarding the company’s fuel economy mileage estimates and greenhouse gas emissions.

Successfully challenged the U.S. government’s Endangered Species Act listing of the lesser prairie chicken on behalf of the oil and gas industry.

Representing Lockheed Martin in connection with claims for contribution of approximately US$380m in claimed costs of investigating and cleaning up contamination at US Air Force bases.

Defended class action and 11 non-class lawsuits involving 1,000 claimants, settled three state enforcement actions, and defended separate cost recovery and contribution actions involving PCE contamination.

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