In order to become this global citizen you first have to realize what a complex and interconnected place this world is. That's where COA's only major comes in:
Human Ecology.

Human Ecology is the practice of studying this interconnectedness. COA was started over thirty years ago by people who believed that traditional education was not adequately preparing students to approach and solve problems. The school continues to thrive on the belief that students learn more when they are shown the big picture instead of being restricted to departments and when they can experience what they are learning first hand.

For example:
You want to save the Manatees from extinction. To create a realistic way of accomplishing this goal you need to know about the biology of Manatees and what makes them so prone to boat accidents, you need to know the economy of the region they are being threatened in so you can understand why people aren't doing more to protect them, which leads you to exploration of the history of the fishing industry there. Without understanding and investigating all these things you will not accomplish your goal.   

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