This Unit Planner document is the official IB document used to plan the teaching of Unit Eight – Human populations & urban systems of the new IB Diploma Environmental Systems and Societies course, first assessment 2026, which is first taught in 2024. Created by an IB Curriculum developer, examiner & workshop facilitator, this IB ESS unit plan gives teachers a ready to go plan for teaching the eighth unit in the new ESS course. The completed unit planner also gives evidence of ESS curriculum