A bundle of all teaching materials for ESS Foundations Unit 4 – Water For 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 Standard Level unit is the forth unit of the ESS course. This bundle contains 14 hours of lesson material with PowerPoint lessons and worksheets. The materials can be used both in-person and for online learning, added to your Google Classroom, or opened using Google Slides. Save yourself time, all resources are ready to click and go! All my resources are informed by over 15 years of IB DP ESS teaching and examiner experience, so you can be sure you are getting a quality resource with everything you need to teach the IB ESS content. Features: • IB unit planner for the Water Unit • Lesson 1 – Introduction to water systems (practical activity) • Lesson 2 – Human impacts on the hydrological cycle • Lesson 3 – Water security • Lesson 4 – Water availability and access (presentation task) • Lesson 5 – Improving water supplies • Lesson 6 – Water conservation • Lesson 7 – Aquatic food production • Lesson 8 – Fisheries – Unsustainable harvesting • Lesson 9 – Ocean acidification lab (experiment) • Lesson 10 – Marine Protected Areas (MPA’s) and Aquaculture • Lesson 11 – Introduction to water pollution • Lesson 12 – Plastic pollution • Lesson 13 – Monitoring water quality (experiment) • Lesson 14 – Eutrophication • Worksheets to support learning tasks • Clear lesson aims to meet the 2024 syllabus strands (SL) • Key ESS terminology highlighted • Integrated case studies • Engaging classroom activities • Knowledge review questions • Home learning tasks • Starter and plenary activities The resource is completely developed by me as an author with no use of Artificial Intelligence tools.