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We conducted an extensive review using nine search engines, which yielded 21 publications that focused on the health outcomes and barriers on the topic of climate change among vulnerable populations. Our findings indicated that poverty is the largest challenge preventing people from adequate health access and achieving positive outcomes, particularly for vulnerable populations globally. In addition, institutional and systemic barriers also differ based on regional differences, which suggests that health inequities are context dependent. Our scoping review has implications for (a) enhancing the effectiveness of climate change mitigation strategies and (b) addressing the healthcare barriers of vulnerable populations based on country\u2010specific challenges.<\/jats:p>","DOI":"10.1029\/2024gh001272","type":"journal-article","created":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T04:55:55Z","timestamp":1750222555000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["How Systemic Barriers Can Impact Health Inequities When Facing Climate Change Stressors: A Scoping Review of Global Differences"],"prefix":"10.1029","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1884-7472","authenticated-orcid":false,"given":"Ainslee","family":"Wong","sequence":"first","affiliation":[{"name":"Department of Health and Kinesiology University of Illinois Urbana\u2010Champaign  Urbana IL USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7565-4373","authenticated-orcid":false,"given":"Tuyet\u2010Mai H.","family":"Hoang","sequence":"additional","affiliation":[{"name":"School of Social Work University of Illinois Urbana\u2010Champaign  Urbana IL USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-6350-4686","authenticated-orcid":false,"given":"Victoria","family":"Ferrara","sequence":"additional","affiliation":[{"name":"School of Social Work University of Illinois Urbana\u2010Champaign  Urbana IL USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5461-5233","authenticated-orcid":false,"given":"Thanh H.","family":"Nguyen","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering University of Illinois at Urbana\u2010Champaign  Urbana IL USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"13","published-online":{"date-parts":[[2025,6,18]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph19010035"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.gloenvcha.2013.08.009"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.21203\/rs.3.rs\u20103392999\/v1"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1080\/1364557032000119616"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1728\u20104465.2016.00045.x"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.socscimed.2012.04.016"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.2307\/2657316"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10584\u2010020\u201002884\u20102"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cities.2023.104740"},{"key":"e_1_2_9_11_1","unstructured":"Climate Focus. 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