Potential sources of danger, or PERILS, can include anything from natural disasters to human-made hazards. These can range from extreme weather events such as hurricanes and floods, to man-made threats like terrorism and cybercrime. Other potential sources of danger include environmental pollution, workplace accidents, and even everyday activities like driving a car. All of these can pose a risk to people's safety and well-being, and it is important to be aware of the potential dangers in order to stay safe.