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粮食安全和环境污染:面对COVID19的政策方向
Sameen Zafar1, Zubaria Andlib2,3, Zeeshan Fareed4,5
1Suleman Dawood School of Business, Lahore University of Management Sciences, Lahore, Pakistan.
Food and environmental virology
|December 22, 2025
概括
COVID-19大流行和碳排放与全球粮食短缺有显著的相关性. 这项研究揭示了关于公共卫生危机,环境污染和粮食安全的相互联系的关键见解.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 经济学 经济学 经济学
背景情况:
- 由于气候事件和社会经济因素,大流行前的粮食不安全性正在增加.
- COVID-19 疫情加剧了全球粮食不安全,不成比例地影响了弱势群体.
- 现有的研究缺乏关于COVID-19,污染和粮食短缺之间的联系的经验数据.
研究的目的:
- 实证地调查COVID-19,环境污染 (碳排放) 和粮食短缺之间的关系.
- 使用时间序列数据分析这三个全球因素之间的动态相关性.
- 为决策者提供基于证据的见解,帮助他们解决粮食短缺危机.
主要方法:
- 滚动窗口多重相关性分析.
- 利用了2020年1月22日至2021年11月29日的全球每日数据.
- 检查了两种 (COVID-19与粮食安全,粮食安全与二氧化碳排放,COVID-19与二氧化碳排放) 和三种相关性.
主要成果:
- 随着时间的推移,在COVID-19病例,碳排放和粮食短缺指数之间观察到显著的相关性.
- 在三变量分析中,二氧化碳 (CO2) 排放和COVID-19都与粮食短缺指数有显著的正相关性.
- 两变量分析表明,COVID-19与粮食安全,粮食安全与二氧化碳排放之间存在不对称的,尽管往往是微不足道的相关性,但在特定时期有显著的例外.
结论:
- COVID-19和碳排放是全球粮食短缺危机的重要驱动因素.
- 这些发现强调了流行病,环境退化和粮食安全之间的复杂相互作用.
- 需要紧急的政策干预,以减轻气候变化和流行病对全球粮食系统的复合影响.
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