 We live in a complex, dynamic world where everything is connected to everything else, and we need better approaches to study, understand, and manage this complexity. Systems thinking is a method used in science, medicine, government, and business to solve complicated problems. In this course, students will learn the basics of system thinking. We'll use a variety of tools, including mathematical models, to capture key inter-relationships. We'll also look at carefully designed simulations to reveal dynamic patterns. Students will learn to use computational tools, ranging from spreadsheets to modeling software, and how to apply these tools to a broad range of environmental, sustainability, and business problems. This course assumes no prior knowledge of these tools. Course materials are designed to guide students through the mechanics of systems thinking.