This case is a classroom simulation of the types of negotiations that went into the Kyoto Protocol agreement on limiting global greenhouse gas emissions. It was developed for an environmental science course for first-year college students with minimal science backgrounds. Groups of students represent various developed and developing countries as they negotiate an agreement to limit greenhouse gas emissions. One of the main objectives is to show that a global problem requires a global solution, but this can be difficult when confounded by national interests. This objective makes the case potentially appropriate for other courses that deal with conflict resolution such as public policy courses, international relations, and certain business courses.