⚡ IB DP ESS: 4.1 Water Systems - Condensed Revision Outline ⚡ A helpful, exam-ready resource for teachers & students. This abridged and structured revision guide is designed to help IB DP Environmental Systems and Societies students revising 4.1 Water Systems by condensing key textbook content into a clear, accessible format. It provides full syllabus coverage while simplifying complex topics, making it the perfect tool for both teaching and independent study. Why This Resource? ✅ Covers Ever