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All civilizations, ancient and current, have known natural disasters, be it in the form of earthquakes, floods, landslides, cyclones, wildfires, avalanches or tsunamis, to name a few. Country after country suffers loss of human lives and damage to property, leading to many adverse effects on the economy and society. Between 1994 and 2003, over 3,000 disasters were recorded, affecting on an average 255 million people and claiming an average 58,000 lives each year. Current statistical trends and scientific evidence of climate change assert that these events can only increase in both frequency and intensity in the coming years. Furthermore, the United Nations estimates that by 2025 half of the world's population will live in areas subject to major storms and excessive flooding. If the trend continues, it is estimated that by 2050 natural disasters will have a global cost of over 300 billion dollars a year.

Types of Disasters

Natural Disasters

These disasters include floods, hurricanes, earthquakes and volcano eruptions that can have immediate impacts on human health, as well as secondary impacts causing further death and suffering from floods causing landslides, earthquakes resulting in fires, tsunamis causing widespread flooding and typhoons sinking ferries.

Environmental Emergencies

These emergencies include technological or industrial accidents, usually involving hazardous material, and they occur where these materials are produced, used or transported. Large forest fires are generally included in this definition because they tend to be caused by humans.

Complex Emergencies

These emergencies involve a breakdown of authority, looting and attacks on strategic installations. Complex emergencies include conflict situations and war.

Pandemic Emergencies

These emergencies involve a sudden onset of a contagious disease that not only affects health but also disrupt services and businesses, bringing economic and social costs.

Disaster Mitigation

Disasters have the potential to interrupt essential services, such as the provision of health care, electricity, water, sewage or garbage removal, transportation and communications. The interruption can seriously affect the health and social and economic networks of local communities and countries. Disasters have a major and long-lasting impact on people, long after the immediate effect has been mitigated. Poorly planned relief activities can have a significant negative impact on the disaster victims in terms of exclusion, appropriateness of materials with reference to needs and timeliness of the support. Disasters contribute in entrenching poverty in already impoverished countries. In the absence of risk transfer mechanisms and social protection, it is usually the poor and the underprivileged who are the worst affected. It is understood that development cannot be sustainable unless disaster mitigation is built into the development process. Investments in disaster mitigation are more cost-effective than expenditure on relief and rehabilitation. Actions on disaster prevention and mitigation contribute to lasting improvement in the creation of safety standards and are essential for sustainable development.

Disaster Response

Disaster response in the form of early warning, evacuation, search and rescue, relief and rehabilitation is a component of disaster management. These are response-related actions in a post-disaster situation. Prevention, mitigation and preparedness are part of development interventions which help achieve vulnerability reduction and build capacity for effective response.

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