巴西高温暴露的种族和经济差异
Hosana Gomes da Silva1, Weeberb J Requia1
1Center for Environment and Public Health Studies, School of Public Policy and Government, Fundação Getulio Vargas, Brasilia 72125590, Brazil.
International journal of environmental research and public health
|February 26, 2025
概括
巴西的种族和经济差异表明,由于气候变化,低收入,黑人,棕色人和土著人口不成比例地经历了高温,加剧了不平等.
科学领域:
- 环境健康 环境健康
- 适应气候变化 适应气候变化
- 社会流行病学 社会流行病学
背景情况:
- 关于气候变化对弱势群体的影响分布的研究有限.
- 了解暴露差异对于公平的气候变化适应战略至关重要.
研究的目的:
- 调查巴西高温暴露的种族和经济差异.
- 量化极端高温对脆弱子群体的影响差异.
主要方法:
- 利用地理参考温度数据 (全球极端热的高分辨率估计) 和2010年巴西人口普查的人口数据.
- 计算人口加权热暴露 (PHE ̄) 超过28°C.
- 使用暴露率差异和加权吉尼系数分析差异.
主要成果:
- 黑人,棕色人种,土著和低收入人口面临极端高温的最高暴露.
- 在全国范围内,土著人口的热量暴露率比白人人口高47%.
- 在不同地区的黑色-棕色-土著和低收入群体中,更高的热量暴露的一致模式.
结论:
- 气候变化加剧了巴西的经济不平等和国内差异.
- 迫切需要采取公共政策,解决暴露在热中的种族和经济不平等问题.
- 对环境敏感的分析对于减轻与热有关的健康风险至关重要.
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