Climate change health impacts on children in Canada: a systematic review - Report - MDSpire
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Health Effects of Climate Change on Canadian Children: A Comprehensive Systematic Review

  • By

  • Daniel Helldén

  • Kirsten Sjonnesen

  • Luis D Virla

  • Sherilee L Harper

  • Francois Bernier

  • Steven Bryant

  • Benedikt Hallgrímsson

  • September 19, 2026

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Health Effects of Climate Change on Canadian Children: A Comprehensive Systematic Review

Overview

This systematic review identifies significant health impacts of climate change on Canadian children, highlighting vulnerabilities linked to extreme temperatures, altered rainfall, and wildfires.

Background

Climate change poses a complex health threat to children, who are uniquely vulnerable due to their developmental needs. Canada is experiencing climate change at an accelerated rate, which exacerbates existing health inequities among children, particularly in Indigenous communities.

Data Highlights

A total of 71 studies were identified linking climate change to child health impacts in Canada, with a focus on extreme temperatures, altered rainfall, and wildfires.

Key Findings

  • 54 original articles and 17 reviews met the inclusion criteria for the systematic review.
  • Climate change impacts on child health were connected to increasing temperatures, precipitation changes, and more frequent wildfires.
  • Health impacts appeared to align with pre-existing health inequities, particularly affecting Indigenous populations.
  • Quality assessment of studies raised concerns regarding representativeness and confounding control in quantitative studies.
  • Most reviews were considered at high risk of bias, indicating a need for more robust research methodologies.

Clinical Implications

Healthcare professionals should be aware of the specific vulnerabilities of children to climate change and consider these factors when addressing health risks.

Conclusion

The review identifies important knowledge gaps regarding climate change impacts on child health in Canada, particularly in relation to health inequities.

Related Resources & Content

  1. JAMA Network Open, 2023 -- Climate Vulnerability and Cardiometabolic Health Among Children
  2. kff health news, 2023 -- Can Kids Cope with Climate Anxiety?
  3. Endocrine Reviews, 2023 -- Climate Change and Reproductive Health
  4. BMJ Mental Health, 2023 -- Unheard voices: the overlooked mental health toll of climate change in vulnerable communities
  5. Environmental health | Canadian Paediatric Society, 2023 -- Environmental Health
  6. Extreme heat and pediatric health in a warming world, 2023 -- PMC
  7. Environmental health | Canadian Paediatric Society
  8. Extreme heat and pediatric health in a warming world: a space-time stratified case-crossover investigation in Ontario, Canada - PMC
  9. Classroom air quality in a randomized crossover trial with portable HEPA air cleaners | Journal of Exposure Science & Environmental Epidemiology

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