William Warren’s environmental practice encompasses administrative, transactional and litigation representations. He helps clients meet federal and state requirements and, if necessary, negotiate disputes with governmental entities. His practice also includes the defense of major litigations commenced by governmental entities. Clients engage Bill for counsel on federal and state requirements, especially Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) cost-recovery actions, natural resource damage litigation and compliance with New Jersey’s Industrial Site Recovery Act (ISRA). He also supports clients in contractual drafting and negotiation with respect to environmental issues associated with leaseholds and the purchase or sale of real estate, businesses and companies. Given his extensive experience prosecuting and defending virtually every type of environmental litigation, as well as negotiating the environmental aspects of business transactions, Bill is a highly sought-after advocate in cost-recovery efforts, toxic tort litigation and complex multiparty environmental litigation.