Exposure to natural hazard events unassociated with policy change for improved disaster risk reduction

D. Nohrstedt; M. Mazzoleni; C.F. Parker; G. Di Baldassarre

doi:10.1038/s41467-020-20435-2

Exposure to natural hazard events unassociated with policy change for improved disaster risk reduction

D. Nohrstedt, M. Mazzoleni, C.F. Parker, G. Di Baldassarre

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

© 2021, The Author(s).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.

Original language	English
Article number	193
Journal	Nature Communications
Volume	12
Issue number	1
DOIs	https://doi.org/10.1038/s41467-020-20435-2
Publication status	Published - 1 Dec 2021
Externally published	Yes

Funding

We thank the International Disaster Database (EM-DAT) team for granting access to natural hazard events data, Beatriz Quesada Montano for assistance with initial data preparation, and Jacob Hileman for comments on the main text. This work was conducted as part of a project entitled “The transformative potential of extreme weather events (TRAMPOLINE)” supported by the Swedish Research Council (grant No. 2018-03977 to all authors). All authors are grateful for the support from the Centre of Natural Hazards and Disaster Science (CNDS). Additional support was received from the Swedish Research Council FORMAS within the ERA-NET project STEEP-Streams (to M. M.) and the European Research Council (ERC), which provided funding for G.D.B.’s project entitled “HydroSocialExtremes: Uncovering the Mutual Shaping of Hydrological Extremes and Society,” H2020 Excellent Science, Consolidator Grant No. 771678.

Funders	Funder number
Centre of Natural Hazards and Disaster Science
H2020 Excellent Science
H2020 European Research Council	771678
European Research Council
Svenska Forskningsrådet Formas
Vetenskapsrådet	2018-03977

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Exposure to natural hazard events unassociated with policy change for improved disaster risk reduction

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