Nursing practice is driven more by its environment than by knowledge provided by faculty or even strong relationships between faculty and staff. Because that environment is publicly supported, programs reflect changes in the ideological environment. 2. The psychosocial nursing specialty incorporates psychiatric/mental health nursing and social sciences to reduce the negative environmental influences while increasing the positive ones. 3. Public sector psychosocial nurses must be familiar with changing laws and regulations as well as the history of hospital and community programs for the mentally ill; understand the complexity of society and that the state hospital is only one component of a large system; and contribute to the development of their subspecialty.