Public acceptance of nature-based solutions for natural hazard risk reduction: Survey findings from three study sites in Europe

Carl C. Anderson*, Fabrice G. Renaud, Stuart Hanscomb, Karen E. Munro, Alejandro Gonzalez-Ollauri, Craig S. Thomson, Eija Pouta, Katriina Soini, Michael Loupis, Depy Panga, Maria Stefanopoulou

*Corresponding author for this work

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Abstract

Climate change is one factor increasing the risk of hydro-meteorological hazards globally. The use of nature-based solutions (NbS), and more specifically ecosystem-based disaster risk reduction measures (Eco-DRR), has become a popular response for risk reduction that also provides highly-valued co-benefits. Public acceptance is of particular importance for NbS since they often rely on local collaborative implementation, management, and monitoring, as well as long-term protection against competing societal interests.
Although public engagement is a common goal of NbS projects, it is rarely carried out with a sufficient understanding of the (de)motivating factors tied to public perceptions. Successful collaboration demands consideration of societal attitudes and values in relation to risk, nature, and place. However, existing research does not sufficiently explore these themes together, their interactions, and their implications for the public acceptance of NbS. This may lead to misaligned public expectations and failed participatory initiatives, while jeopardizing the success of NbS projects and their continued funding and uptake.
We conducted citizen surveys within local NbS “host” communities to determine the degree of pro-NbS attitudes and behavior, associated variables, and how these may be leveraged to increase acceptance. We compared results across sites, relying primarily on correlations and regression models along with survey comments and expert knowledge. Three distinct rural NbS being implemented within the OPERANDUM project aim to reduce risk from (socio-)natural hazards in Scotland (landslides and coastal erosion; n=66 respondents), Finland (eutrophication and algal blooms; n=204) and Greece (river flooding and water scarcity; n=84). Our research thus centers on rural NbS for risk reduction within a large EU project.
Trust in implementers is a consistent factor for defining attitudes towards the NbS across the sites, and attitudes are strongly associated with respondents’ commitment to nature and behavioral acceptance (i.e., willingness to engage). Behaviorial acceptance is most consistently predicted by connectedness to place and the extent of expected future impacts. Skepticism of NbS effectiveness leads to high public demand for relevant evidence.
To increase public acceptance, we recommend greater framing of NbS in relation to place-based values as well as demonstration of the effectiveness of NbS for risk reduction. However, distinct hazard types, proposed NbS, and historical characteristics must be considered for developing strategies aimed at increasing acceptance. An understanding of these characteristics and their interactions leads to evidence-based recommendations for our study sites and for successful NbS deployment in Europe and beyond.
Original languageEnglish
Article number678938
Number of pages23
JournalFrontiers in Environmental Science
Volume9
DOIs
Publication statusPublished - 26 Jul 2021

Keywords

  • nature-based solutions
  • climate change
  • public acceptance
  • public perceptions
  • local participation
  • stakeholder engagement
  • hydro-meteorological hazards
  • community action

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