Human modification of the environment always carries a risk of accident and folly. Explore the causes and consequences of the Centralia, Pennsylvania mining disaster of 1947. Guided by compelling questions such as, "What led to this disaster?," "Who was impacted by it?," and "What changed in its aftermath?" the interdisciplinary content blends social studies and science. Ultimately, it pushes students to consider how humans can meet their need for resources in a safe, sustainable way. Books include table of contents, index, glossary, author biography, and timeline.