The document provides an introduction to disaster management. It defines a disaster as an occurrence that causes damage on a large scale and warrants an extraordinary response. Disaster management is charged with creating frameworks to reduce communities' vulnerability to hazards. Disasters are classified as either natural, resulting from environmental forces, or man-made, caused by human activities. The document outlines various causes of disasters like tectonic shifts, deforestation, floods, and global warming. It also describes some effects of disasters such as death, property destruction, health issues, and economic disruption. The document concludes with some prevention methods for disasters including afforestation, legislation, and creating public awareness.