Motivating learners to explore and investigate scientific concepts, this new core Course Book Pack helps learners actively connect study with wider issues relevant to the world today. The most comprehensive match to the new syllabus first examined 2017 and the only DP Environmental Systems developed directly with the IB, the inquiry-based approach truly engages learners, strengthening achievement. Integrated links to the Big Questions support a holistic approach to teaching and learning, encouraging students to make links between topics and other subjects.