Prohibits certain adverse actions by public employers to be taken against public employees and provides remedies for violations and increases the scope of protected employee activity; includes elimination of job title or classification within the meaning of personnel action; protects disclosure of a violation which could reasonably be expected to lead to endangering the welfare of a minor, including but not limited to physical, mental, or sexual misuse or abuse; authorizes an employee to proceed in a court of competent jurisdiction to prohibit a public employer from taking adverse personnel action.