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Disaster risk reduction (DRR) is defined by United Nations Office for Disaster Risk Reduction (UNDRR) as those actions which aim to "prevent new and reducing existing disaster risk and managing residual risk, all of which contribute to strengthening resilience and therefore to the achievement of sustainable development".
There are different types of preparedness, such as public health preparedness and local emergency preparedness or snow preparedness, but probably the most developed type is "disaster preparedness", defined by the United Nations as involving "forecasting and taking precautionary measures before an imminent threat when warnings are possible". [1]
Proactive disaster mitigation (also hazard mitigation) measures are generally more effective than reactive measures in eliminating or reducing the impacts, [2] but not all disasters are reasonably foreseeable, and when an unforeseen disaster occurs, mitigation is necessarily after the fact.
The Business Dictionary provide a more comprehensive definition for "disaster response"; [2] Aggregate of decisions and measures to (1) contain or mitigate the effects of a disastrous event to prevent any further loss of life and/or property, (2) restore order in its immediate aftermath, and (3) re-establish normality through reconstruction and ...
Disaster mitigation measures are those that eliminate or reduce the impacts and risks of hazards through proactive measures taken before an emergency or disaster occurs. Preventive or mitigation measures vary for different types of disasters.
The World Summit on Sustainable Development (WSSD) in Johannesburg, South Africa, noted that “an integrated, multi-hazard, inclusive approach to address vulnerability, risk assessment and disaster management, including prevention, mitigation, preparedness, response and recovery, is an essential element of a safer world in the twenty- first ...
The United States Federal Emergency Management Agency (FEMA) has advised that disaster mitigation and building resilience, through what is deemed BBB, has three primary benefits to help reduce future costs: “ Breaking the disaster-rebuild-disaster cycle”; “Strengthening existing infrastructure” and “Reducing down time for businesses ...
The plan may also include standing policies to mitigate a disaster's potential impact, such as requiring employees to travel separately or limiting the number of employees on any one aircraft. During times of crisis, contingency plans are often developed to explore and prepare for any eventuality.