This study explores the integration of sustainable messaging in PR campaigns. Sustainability has gained its spot as an important dimension of organizational communications by incorporating it into public relations campaigns. Hinged on the Two-Way Symmetrical Communication Model, the study focuses on identifying effectiveness, as well as alignment between organizational values and sustainable messaging in PR programs, taking into account the ever-changing opinion and current trends concerning eco-friendliness. The study combined qualitative and quantitative methodology in a bid to uncover the best way organizations can link their corporate responsibility communication with sustainability. With a hardcopy of questionnaire, data was gathered purposively from 200 respondents draw employees of five banks in Abraka metropolis. Findings shows that integration of sustainability in PR campaigns is a strategy that organizations and corporations can leverage on to communicate effectively the mission and vision of the organization to employees to enhance transparency and inclusive culture in the workforce. This study contributes to the existing discourse on the sustainability of public relations, providing valuable information that benefits scholarly analysis and practice. Finally, this research expands knowledge about the contribution of PR towards environmental sustainability and improved corporate image perceptions among stakeholders.