Sheppard, Mullin, Richter & Hampton LLP

Sheppard, Mullin, Richter & Hampton LLP’s environmental attorneys offer comprehensive counsel across industries, handling high-stakes litigation, regulatory matters, permitting, and crisis response. The firm represents clients in cases involving contamination, hazardous waste, and air quality. Its regulatory expertise includes working with agencies such as the U.S. EPA and California Air Resources Board. The firm also advises on environmental due diligence, land use, and Prop 65 compliance. Key partner Jeffrey Parker , co-leader of the environment practice in Los Angeles, represents clients in energy, aerospace, construction, and chemicals.