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Exposure to natural hazard events unassociated with policy change for improved disaster risk reduction
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Exposure to natural hazard events unassociated with policy change for improved disaster risk reduction
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Journal Article
Exposure to natural hazard events unassociated with policy change for improved disaster risk reduction
2021
Overview
Natural hazard events provide opportunities for policy change to enhance disaster risk reduction (DRR), yet it remains unclear whether these events actually fulfill this transformative role around the world. Here, we investigate relationships between the frequency (number of events) and severity (fatalities, economic losses, and affected people) of natural hazards and DRR policy change in 85 countries over eight years. Our results show that frequency and severity factors are generally unassociated with improved DRR policy when controlling for income-levels, differences in starting policy values, and hazard event types. This is a robust result that accounts for event frequency and different hazard severity indicators, four baseline periods estimating hazard impacts, and multiple policy indicators. Although we show that natural hazards are unassociated with improved DRR policy globally, the study unveils variability in policy progress between countries experiencing similar levels of hazard frequency and severity.
Whether disasters spur policy change remains contested. Here, the authors utilize a dataset of 10,976 natural hazard events and multiple disaster risk reduction (DRR) policy indicators across 85 countries over eight years to show that frequency and severity factors are unassociated with improved DRR policy.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
