When are negative emissions negative emissions?

doi:10.1039/c8ee03338b

2019-01-01

148

Samantha Eleanor Tanzer *

Andrea Ramírez

DOI：10.1039/c8ee03338b

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摘要

En 中文

Negative emission technologies (NETs) have seen a recent surge of interest in both academic and popular media and have been hailed as both a saviour and false idol of global warming mitigation. Proponents hope NETs can prevent or reverse catastrophic climate change by permanently removing greenhouse gases from the atmosphere. But there is currently limited agreement on what negative emissions are. This paper highlights inconsistencies in negative emission accounting in recent NET literature, focusing on the influence of system boundary selection. A quantified step-by-step example provides a clear picture of the impact of system boundary choices on the estimated emissions of a NET system. Finally, this paper proposes a checklist of minimum qualifications that a NET system and its emission accounting should be able to satisfy to determine if it could result in negative emissions.

Keyword:

GREENHOUSE-GAS EMISSIONS

CARBON-DIOXIDE

CAPTURE

STORAGE

ETHANOL

BIOMASS

BIOENERGY

BIOFUELS

IMPACTS

ISSUES

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期刊

Energy and Environmental Science

IF:

30.8

论文数:

6.9K

被引数:

12.4W

机构

Delft University of Technology

学者数:

2.6W

论文数: 2.5W

被引数: 3.8W

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