Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1088/1748-9326/aaeafb |
Land use mediated GHG emissions and spillovers from increased consumption of bioplastics | |
Escobar, Neus1,2; Haddad, Salwa1,2; Boerner, Jan1,2; Britz, Wolfgang1 | |
2018-12-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS |
ISSN | 1748-9326 |
出版年 | 2018 |
卷号 | 13期号:12 |
文章类型 | Article |
语种 | 英语 |
国家 | Germany |
英文摘要 | Bioplastic production is a small but fast growing sector in the global bioeconomy, which may benefit from public support measures in the future as governments seek to promote more sustainable consumption patterns. Here we assess the potential net economy-wide impacts of a 5% bioplastic target relative to current plastic consumption in the main producing regions. We compare two alternative policy strategies to achieve the target in a general equilibrium framework that allows for substitution between conventional and bio-based plastics: a subsidy on bioplastics versus a tax on fossil-based plastic consumption. Our study is the first to quantify global greenhouse gas (GHG) emissions from an increased demand for bioplastics on a global scale, produced from arable crops, considering both direct and indirect land use change (LUC). The tax provokes a contraction of all sectors that employ plastics, which leads to a drop of 0.07% in global real GDP, whereas the subsidy has no significant effect on the global economy. Both tax and subsidy reduce world demand for petroleum products, by 0.37% and 0.07%, respectively, boosting demand for sugar-and starch-based feedstock in the bioplastic industry. This leads to emissions from LUC globally, which correspond to a carbon payback time of 22 years on average, with the associated annual abatement costs of over US$2000 per tonne of CO2-eq. The tax has greater GHG reduction potential in bioplastic producing regions but generates greater economic and environmental spillover effects in countries that do not enforce the target. Results show that promoting bioplastic consumption is not a cost-effective strategy for climate change mitigation if based on conventional feedstock, due to market-mediated GHG emissions from LUC. Bioplastics are not necessarily more sustainable than conventional polymers just because they are bio-based, although further assessment of potential environmental gains associated with biodegradability and recyclability is desirable. |
英文关键词 | bio-based bioeconomy carbon debt carbon payback time computable general equilibrium GTAP land use change |
领域 | 气候变化 |
收录类别 | SCI-E ; SSCI |
WOS记录号 | WOS:000452527800001 |
WOS关键词 | GREENHOUSE-GAS EMISSIONS ; BIO-BASED PLASTICS ; BIOMASS ; LEAKAGE ; BIOECONOMY ; SUGARCANE ; BIOFUELS ; POLICIES |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/14869 |
专题 | 气候变化 |
作者单位 | 1.Univ Bonn, Inst Food & Resource Econ ILR, Nussalle 19, D-53115 Bonn, Germany; 2.Univ Bonn, Ctr Dev Res ZEF, Genscherallee 3, D-53113 Bonn, Germany |
推荐引用方式 GB/T 7714 | Escobar, Neus,Haddad, Salwa,Boerner, Jan,et al. Land use mediated GHG emissions and spillovers from increased consumption of bioplastics[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(12). |
APA | Escobar, Neus,Haddad, Salwa,Boerner, Jan,&Britz, Wolfgang.(2018).Land use mediated GHG emissions and spillovers from increased consumption of bioplastics.ENVIRONMENTAL RESEARCH LETTERS,13(12). |
MLA | Escobar, Neus,et al."Land use mediated GHG emissions and spillovers from increased consumption of bioplastics".ENVIRONMENTAL RESEARCH LETTERS 13.12(2018). |
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