The Ecosa Institute is a design school located in Prescott, Arizona. Since 2000 Ecosa has advocated a radical departure from the traditional approach to teaching design. Ecosa uses nature as a model for their design curriculum, and asks students to design with nature as their client. Their core program offering is an Ecological Design Certificate program, in which students learn to use design and ecological awareness to explore the exciting challenge of creating a healthy, just and sustainable world. Students are challenged to envision and design for a world where human activities are in balance with the natural world.