Amends the Whistleblower Act. Changes the definitions of "employer" and "employee". Defines "adverse employment action", "public body", "retaliatory action", and "supervisor". Provides that an employer may not take retaliatory action against an employee who discloses or threatens to disclose information about an activity, policy, or practice of the employer that the employee has a good faith belief that such activity, policy, or practice violates a State or federal law, rule, or regulation or poses a substantial and specific danger to public health or safety. Includes additional relief, damages, and penalties for violation of the Act. Allows the Attorney General to initiate or intervene in a civil action to obtain appropriate relief if the Attorney General has reasonable cause to believe that any person or entity is engaged in a practice prohibited by the Act. Provides that the changes made by the amendatory Act apply to claims arising or complaints filed on or after January 1, 2025. Effective January 1, 2025.