Meaning and Definitions of Public Relations. Media of Public Relations. Need for and Functions of Public Relations. Approaches and Techniques of Public Relations. Problems Facing the Practice of Public Relations. Organisational Structure and Management of Public Relations Agency. Structure and Organisation of Public Relations Agency. Why Organisations Require the Services of Public Relations. Factors Responsible for the Growth of Public Relations. Qualities of a Public Relations Practitioner. Public Relations and the Environment: The Interface and Imperative Environmental Public Relations. The Nature of the Environment. The Destructive Challenges Facing the Environment. Need for Environmental Public Relations. Conceptual Exploration of Environmental Public Relations. Achieving Environmental Sustainability: Public Relations and Collective Activism. Organisational and Collective Approach to Environmental Public Relations. Public Relations and Communication as Tools for Attaining Environmental Public Relations