新兴生物基产品在减少环境影响方面的潜力
Emma A R Zuiderveen1,2, Koen J J Kuipers3, Carla Caldeira4
1Department of Environmental Science, Radboud Institute for Biological and Environmental Sciences, Radboud University, Nijmegen, The Netherlands. emma.zuiderveen@ru.nl.
Nature communications
|December 21, 2023
概括
生物基产品提供更低的温室气体排放,但存在环境权衡,如增加安化. 对于真正的可持续性来说,个别产品的评估至关重要,需要彻底的创新来实现气候中立.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 可持续性研究 可持续性研究
背景情况:
- 生物基产品的可持续性受到辩论,质疑它们对化石资源的环境优势.
- 生命周期评估 (LCA) 对于评估用生物基替代品取代化石基材料对环境的影响至关重要.
研究的目的:
- 与其化石对应物相比,分析98种新兴生物基材料的环境权衡.
- 为了识别不同生物基产品类别对环境影响的差异.
主要方法:
- 对130项关于新兴生物基材料的研究进行了元分析.
- 生物基产品与化石基产品的生命周期排放和其他环境影响 (如环保化) 的比较.
主要成果:
- 新兴的生物基产品显示平均温室气体 (GHG) 排放量减少了45%,但有显著的差异.
- 温室气体排放的减少范围从生物粘合剂的19%到生物炼油产品的73%.
- 观测到环保化 (369%) 的大幅增加,突出显著的环境权衡.
结论:
- 生物基产品的环境可持续性差异很大,需要对个别产品进行评估.
- 目前的生物基产品无法实现净零排放,因此需要更激进的创新来实现气候中立.
相关概念视频
00:46Bioremediation
18.5K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
18.5K
01:43Sustainable Development
13.3K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
13.3K