For courses in Environmental Studies and Environmental Science as well as Education courses focusing on Math and Science. This issues workbook takes an interdisciplinary approach, combining simple math and critical thinking to gain insight into relevant local, regional, and global environmental issues. It focuses on sustainability, integrating a broad overview of the essentials throughout the text and providing an in-depth exploration in Part 7, Sustainability and the Individual. The presentation of real-world issues and examples fosters the development of the math and analytical skills necessary to truly think critically and to understand these complex issues.