Motivating learners to explore and investigate scientific concepts, this new core Course Book helps students actively connect their studies with wider issues relevant to the world today. The most comprehensive match to the new syllabus first examined in 2017, and the only DP Environmental Systems resource developed directly with the IB, its inquiry-based approach truly engages learners and strengthens achievement. Integrated links to the Big Questions support a holistic approach to teaching and learning, encouraging students to make connections between topics and other subjects. Truly engage learners with scientific concepts through an inquiry-based approach that drives active exploration, investigation, and critical thought. Fully cover the new syllabus with the most comprehensive support, developed directly with the IB. Strengthen achievement with current case studies and activities that accessibly connect learning with relevant global issues, driving motivation and success. Accurately implement the only DP resources developed with the IB.