Tim counsels clients on a wide array of topics related to environmental and regulatory law, including USEPA, USCOE, Cal/EPA, USFSW, CDFW, FDA, USDA, and CDFA. He also represents clients in OSHA Workplace Health and Safety facility regulatory compliance and enforcement defense, permitting and licensing, transportation, and storage.

Tim represents clients in brownfields development and other fields where energy law, real estate law, and governmental regulation overlap, such as CEQA, NEPA, wetlands, endangered species, transportation law, natural resource damages, air quality, greenhouse gas emissions, contaminated site cleanup cost allocation, mining, timber harvesting, agricultural law, and legislative and regulatory advocacy.