Access high-quality Environmental Systems and Societies IB notes to streamline your revision. These concise and comprehensive resources cover core topics like ecosystems, biodiversity, climate change, and sustainability. Designed for both SL and HL students, the notes include diagrams, case studies, and model answers—perfect for maximizing performance on IAs and final exams. Prepare s... https://www.the45ers.com/shop?subject=environmental-systems-and-societies