We use knowledge visualization techniques and modeling approaches to capture and express knowledge required to address a particular challenge. Identification of all relevant variables and their dependencies is an important first step to decide on the right actions given a specific situation. For example, many factors affect food security. How does property rights affect food security? Could diet play a role? How does farmers’ investment on the their farm affect food security? In the example below, click on any node to explore the dependencies among various factors and their relation to food security.