Hazards and disasters are related but distinct concepts, both of which play a critical role in environmental and occupational health. A hazard refers to a potential source of harm or adverse health effect on a person, property, or the environment. It represents a risk or danger that has the potential to cause injury, damage, or health issues but has not necessarily caused them yet. Hazards can be classified into natural and man-made types, and they can occur in various environments such as workplaces, homes, or natural settings. Examples of hazards include chemicals, machinery, electrical equipment, biological agents, and even environmental factors like air pollution or extreme weather events. In contrast, a disaster is the actual event or occurrence that results from the hazard materializing. It is a catastrophic situation that causes significant damage to health, property, or the environment. Disasters may be caused by natural events such as earthquakes, floods, and hurricanes, or they can be triggered by human activity, such as industrial accidents, chemical spills, or nuclear accidents. Disasters often lead to widespread destruction and can overwhelm the capacity of local communities or governments to respond effectively, requiring external aid and intervention. The difference between a hazard and a disaster, therefore, lies in the fact that a hazard is a potential danger, while a disaster is the realization of that danger with significant consequences. A hazard becomes a disaster when it causes widespread damage or harm, either