探索减少家庭食品浪费以减轻碳足迹:中国上海的一个案例研究
Chang Liu1,2, Jie Shang1, Chen Liu2
1School of Economics and Management, Northeast Forestry University, Harbin 150040, China.
Foods (Basel, Switzerland)
|September 9, 2023
概括
上海的家庭食品浪费对环境产生重大影响. 这项研究量化了食物浪费及其碳足迹,确定了教育和收入作为关键驱动因素,并推了有针对性的家庭废物减少政策.
科学领域:
- 环境科学 环境科学
- 城市可持续性 城市可持续性
- 粮食安全 粮食安全
背景情况:
- 全球人口增长和城市化加快了食物浪费对环境的影响.
- 食物浪费对碳足迹做出了重大贡献,并阻碍了可持续发展.
- 上海是一个主要的城市中心,面临着家庭食品浪费带来的重大挑战.
研究的目的:
- 为了估计上海的家庭食品浪费产生的量.
- 为了计算可食用食品废弃物的碳足迹.
- 分析影响食物浪费的因素,并审查现有政策.
主要方法:
- 家庭食品垃圾产生的量化估计.
- 计算与可食用食品废物相关的碳足迹.
- 后勤回归分析以确定影响因素.
- 审查国家和地区的反食品浪费政策.
主要成果:
- 上海人均每日食物浪费量为0.57公斤,其中43.42%是可食用的.
- 这就产生了人均每日碳足迹1.17公斤CO2eq.
- 教育水平和家庭收入显著影响食物浪费的产生.
- 过多的食物数量和到期日是主要的浪费驱动因素.
- 目前的政策主要针对餐饮业,对家庭的关注有限.
结论:
- 上海的家庭食品浪费给环境带来了相当大的负担.
- 教育和收入是家庭食物浪费的关键因素.
- 现有的政策需要加强,以有效解决家庭食品浪费及其碳足迹问题.
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