气候变化领域集成服务门户(CCPortal): Limited climate benefits of global recycling of pulp and paper

CCPortal

DOI	10.1038/s41893-020-00624-z
	Limited climate benefits of global recycling of pulp and paper
	van Ewijk S.; Stegemann J.A.; Ekins P.
发表日期	2021
ISSN	2398-9629
起始页码	180
结束页码	187
卷号	4 期号:2
英文摘要	A circular economy is expected to achieve sustainability goals through efficient and circular use of materials. Waste recycling is an important part of a circular economy. However, for some materials, the potential environmental benefits of recycling are unclear or contested. Here, we focus on the global paper life cycle, which generates 1.3% of global greenhouse gas emissions, and estimate the climate change mitigation potential of circularity. We model material use, energy use and emissions up to 2050 for various levels of waste recycling and recovery. We show that emission pathways consistent with a 2 °C global warming target require strong reductions in the carbon intensity of electricity and heat generation. We also show that additional recycling yields small or negative climate change mitigation benefits when it requires high-carbon grid electricity and displaces virgin pulping that is powered by low-carbon pulping by-products. The results indicate that circular economy efforts should carefully consider the energy implications of recycling. © 2020, The Author(s), under exclusive licence to Springer Nature Limited.
语种	英语
scopus关键词	Carbon; Gas emissions; Global warming; Greenhouse gases; Life cycle; Sustainable development; Carbon intensity; Circular economy; Climate change mitigation; Environmental benefits; High carbons; Model materials; Pulp and paper; Waste recycling; Recycling; Carbon; Electricity; Greenhouse Gases; Life Cycle; Materials; Pulping; Recycling; Wastes
来源期刊	Nature Sustainability
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/249837
作者单位	Center for Industrial Ecology, School of the Environment, Yale University, New Haven, CT, United States; Department of Civil, Environmental and Geomatic Engineering, University College London, London, United Kingdom; Institute for Sustainable Resources, University College London, London, United Kingdom
推荐引用方式 GB/T 7714	van Ewijk S.,Stegemann J.A.,Ekins P.. Limited climate benefits of global recycling of pulp and paper[J],2021,4(2).
APA	van Ewijk S.,Stegemann J.A.,&Ekins P..(2021).Limited climate benefits of global recycling of pulp and paper.Nature Sustainability,4(2).
MLA	van Ewijk S.,et al."Limited climate benefits of global recycling of pulp and paper".Nature Sustainability 4.2(2021).