Impacts of climate change on cancer risk, clinical outcomes, and care delivery: A scoping review

IF 3.6

The journal of climate change and health Pub Date : 2025-09-01 DOI:10.1016/j.joclim.2025.100573

D Larios , T Jayakrishnan , M Ioakeim Ioannidou , J Lewy , E Woodworth , E Gallagher , C Mita , A Ivanov , AC Duhaime , A Hantel

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Abstract

Background

While some interactions between climate change and health have been well documented, the complex relationship between climate change, its proximate causes, and cancer is less clear. This scoping review was conducted to survey specific elements within existing peer-reviewed and grey literature addressing the impacts of climate change-related exposures on 1) cancer risks, 2) outcomes, and 3) care delivery.

Methods

Following PRISMA guidelines, peer-reviewed and selected grey literature on these topics were identified using pre-specified eligibility criteria. Structured searches by independent reviewers and data extraction from multiple electronic databases were performed, from which syntheses were generated and research gaps identified.

Results

Of 542 studies identified by title/abstract for full-text review, 182 studies were eligible for data extraction. Of these, 127 examined fossil fuel-related pollutant levels and excess cancer risks, 29 investigated the impact of climate change on cancer outcomes, and 31 examined the impact of climate change-related events on cancer care delivery. Overall, the effects of climate change-related exposures, or climate change’s proximate causes, lead to increases in cancer risk. Climate change effects such as extreme weather events disrupt care and impact survival outcomes. Across these subject areas, climate change-related events’ exacerbation of existing healthcare disparities was an emergent theme.

Conclusions

Climate change has impacts across the cancer care continuum. Research gaps include limited data on the direct effect of climate change on cancer outcomes and care delivery, population health research, and mitigation efficacy. More work is needed in education, adaptation, and climate preparedness for cancer patients and healthcare systems.

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气候变化对癌症风险、临床结果和医疗服务的影响：范围综述

虽然气候变化与健康之间的一些相互作用已得到充分记录，但气候变化及其近因与癌症之间的复杂关系尚不清楚。本范围综述旨在调查现有同行评议文献和灰色文献中的特定要素，这些文献涉及与气候变化相关的暴露对1)癌症风险、2)结局和3)护理提供的影响。方法遵循PRISMA指南，使用预先指定的资格标准对这些主题进行同行评审和选定的灰色文献进行鉴定。由独立审稿人进行结构化搜索，并从多个电子数据库中提取数据，从中生成合成并确定研究差距。结果通过标题/摘要确定的542项研究中，182项研究符合数据提取条件。其中，127项研究研究了与化石燃料相关的污染物水平和过度癌症风险，29项研究了气候变化对癌症结果的影响，31项研究了与气候变化相关的事件对癌症护理服务的影响。总体而言，气候变化相关暴露的影响，或气候变化的近因，导致癌症风险增加。极端天气事件等气候变化影响扰乱护理并影响生存结果。在这些主题领域中，与气候变化相关的事件加剧了现有的医疗保健差距是一个新兴的主题。结论气候变化对整个癌症治疗过程都有影响。研究空白包括关于气候变化对癌症结局和护理提供、人口健康研究和缓解效果的直接影响的有限数据。需要在癌症患者和卫生保健系统的教育、适应和气候防备方面开展更多工作。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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