Interdependence means that people, communities, countries, institutions, economies, and natural environments are connected and influence one another. Because of these connections, an event or decision in one place can produce social, economic, political, or environmental consequences elsewhere.

For example, an international conflict may disrupt energy and food supplies, increase prices, and affect low-income families in communities far from the conflict itself. Similarly, decisions made by global companies can influence local employment, working conditions, access to technology, and environmental quality.

Interdependence also means that solutions require cooperation. Governments, civil society organizations, businesses, educational institutions, communities, and individuals may need to work together because one actor cannot usually address a complex social problem alone.

Understanding interdependence helps us move beyond viewing social problems as isolated events. It encourages us to examine relationships between local experiences and wider systems, recognise shared responsibilities, and consider how local actions can contribute to positive change beyond one community.