This book is designed to support the achievement of environmental education learning objectives in elementary or junior high schools. This Environmental Education Book for Primary School Class IV Volume 4 has been designed in accordance with the basic competencies set out in the environmental education curriculum, starting from humans and the environment, maintaining personal hygiene and environmental cleanliness, plant and animal habitats, water pollution, air pollution, land use change, energy in everyday life, forest functions, geological natural disasters, and natural disasters of human activities on land.