Thais represents clients in a wide range of environmental, regulatory, and energy matters. She has experience with federal and state laws pertaining to chemical and petroleum bulk storage, air, hazardous waste remediation, and solid waste, as well as energy infrastructure siting matters and environmental permitting. Thais has represented clients in enforcement matters brought by the New York State Department of Environmental Conservation (DEC) and assisted on proceedings before state and federal courts regarding the State Environmental Quality Review Act (SEQRA).