4.1 Review

Climate change is impacting mental health in North America: A systematic scoping review of the hazards, exposures, vulnerabilities, risks and responses

Journal

INTERNATIONAL REVIEW OF PSYCHIATRY
Volume 34, Issue 1, Pages 34-50

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/09540261.2022.2029368

Keywords

Climate change; mental health; North America; scoping review

Categories

Funding

  1. Alberta Innovates
  2. Alberta Advanced Education
  3. Alberta Graduate Excellence Scholarship
  4. Canadian Institutes of Health Research

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This scoping review investigates the published research on climate-mental health interactions in North America and finds that the interaction between climate hazards and social vulnerabilities leads to increased mental health risks. The study also highlights the gaps in the evidence base for climate-mental health in North America and calls for further research to support preparation and adaptation to climate change impacts on mental health.
As climate change progresses, it is crucial that researchers and policymakers understand the ways in which climate-mental health risks arise through interactions between climate hazards, human exposure and social vulnerabilities across time and location. This scoping review systematically examined the nature, range and extent of published research in North America that investigates climate-mental health interactions. Five electronic databases were searched and two independent reviewers applied pre-determined criteria to assess the eligibility of articles identified in the search. Eighty-nine articles were determined to be relevant and underwent data extraction and analysis. The published literature reported on numerous exposure pathways through which acute and chronic climate hazards interacted with social vulnerabilities to increase mental health risks, including wellbeing, trauma, anxiety, depression, suicide and substance use. This review also highlights important gaps within the North American climate-mental health evidence base, including minimal research conducted in Mexico, as well as a lack of studies investigating climate-mental health adaptation strategies and projected future mental health risks. Further research should support effective preparation for and adaptation to the current and future mental health impacts of climate change. Such strategies could reduce health risks and the long-term mental health impacts that individuals and communities experience in a changing climate.

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