This textbook investigates the interconnectedness of environmental systems and the principles of sustainability. Authors David M. Hassenzahl, Linda R. Berg, Mary Catherine Hager, Nancy Y. Gift, and Peter H. Raven present Environmental Science, Ninth Edition, emphasizing the links between core scientific concepts and students' everyday lives. The text integrates current case studies and real-world examples, focusing on both local and regional environmental issues. It aims to equip students with the scientific understanding and critical thinking tools necessary to analyze environmental challenges.

This textbook is designed as a comprehensive resource for students of environmental science, emphasizing the practical application of scientific principles to real-world issues. Its approach integrates core concepts with current case studies and regional examples, aiming to foster critical thinking and understanding of sustainability. The inclusion of assessment tools for instructors suggests a focus on pedagogical effectiveness and measurable learning outcomes.