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Global harms, local profits: How the uneven costs of natural disasters affect support for green political platforms

AJPS

2026-08-13

Original

Global harms, local profits: How the uneven costs of natural disasters affect support for green political platforms

Silvia Pianta, Paula Rettl

Abstract

Abstract Large‐scale fires are becoming increasingly common due to climate change. While conventional wisdom suggests that firsthand experiences with natural disasters foster green coalitions by raising awareness of environmental degradation, we propose an alternative view: Natural disasters can heighten the perceived trade‐off between economic development and environmental policies. This study examines the case of Brazil, where large‐scale fires, by clearing natural vegetation, create new opportunities for land grabbing and the expansion of agriculture and livestock production. Using satellite, administrative, and electoral data, we provide evidence that large‐scale fires increase support for green candidates only in municipalities that are unlikely to reap economic benefits from fires. Survey data further indicate that voters prioritize environmental protection over economic growth only when they stand to receive limited or no benefit from the newly cleared land. Our findings suggest that the potential for natural disasters to foster green coalitions is contingent upon distributive concerns.

中文

全球危害,地方利益:自然灾害的不均衡成本如何影响对绿色政治纲领的支持

Silvia Pianta, Paula Rettl

摘要

由于气候变化,大规模火灾正变得越来越普遍。传统观点认为,亲历自然灾害会提高人们对环境退化的认知,从而培育绿色联盟;我们则提出另一种观点:自然灾害可能加剧人们所感知到的经济发展与环境政策之间的权衡。本研究考察巴西案例。在巴西,大规模火灾通过清除自然植被,为土地掠夺以及农业和畜牧业生产的扩张创造了新机会。利用卫星、行政和选举数据,我们提供证据表明,大规模火灾只会增加那些不太可能从火灾中获得经济利益的市镇对绿色候选人的支持。调查数据进一步表明,只有当选民从新开垦土地中获得有限利益或没有利益时,他们才会将环境保护置于经济增长之上。我们的发现表明,自然灾害培育绿色联盟的潜力取决于分配方面的关切。

关键词

自然灾害、野火、绿色政治、选举支持、分配关切、巴西、环境政策、经济发展