The Middlebury Institute Master of Arts in International Environmental Policy (IEP) is designed to prepare you for a rewarding career with some of the most prestigious environmental organizations around the world—in government, business, and nonprofit sectors. The Middlebury Institute Master of Arts in International Environmental Policy (IEP) prepares you for a rewarding career working with public, private, or nonprofit organizations to tackle the world’s most pressing environmental problems. This four-semester, 60-credit degree is for people who want to take action and actively build the more sustainable societies that the world so desperately needs.