Systems thinking helps you understand why problems keep happening by looking deeper than what you first see. The Iceberg Model shows four levels: Events (what just happened), Patterns (what keeps happening), Structures (the rules and systems that cause patterns), and Mental Models (the deep beliefs that create everything else). Like a real iceberg, most of the problem is hidden underwater.
For example, if families lose their homes, the event is one family losing housing. The pattern is more families losing homes each year. The structure includes laws that limit affordable housing and wages not keeping up with costs.
The mental model is believing housing should be bought and sold, not treated as a right. Working at deeper levels creates longer-lasting change. When you only fix events, you're just putting out fires.
When you change mental models - people's basic beliefs - you can transform entire systems. The tool works best with other people who can see different parts of the problem. You can practice by picking any community problem and asking what you see at each level, then deciding where you can make the most change.