Negative emissions technologies and carbon capture and storage to achieve the Paris Agreement commitments

R. Stuart Haszeldine, Stephanie Flude, Gareth Johnson, Vivian Scott

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

How will the global atmosphere and climate be protected? Achieving net-zero CO2 emissions will require carbon capture and storage (CCS) to reduce current GHG emission rates, and negative emissions technology (NET) to recapture previously emitted greenhouse gases. Delivering NET requires radical cost and regulatory innovation to impact on climate mitigation. Present NET exemplars are few, are at small-scale and not deployable within a decade, with the exception of rock weathering, or direct injection of CO2 into selected ocean water masses. To keep warming less than 2°C, bioenergy with CCS (BECCS) has been modelled but does not yet exist at industrial scale. CCS already exists in many forms and at low cost. However, CCS has no political drivers to enforce its deployment. We make a new analysis of all global CCS projects and model the build rate out to 2050, deducing this is 100 times too slow. Our projection to 2050 captures just 700 Mt CO2 yr−1, not the minimum 6000 Mt CO2 yr−1 required to meet the 2°C target. Hence new policies are needed to incentivize commercial CCS. A first urgent action for all countries is to commercially assess their CO2 storage. A second simple action is to assign a Certificate of CO2 Storage onto producers of fossil carbon, mandating a progressively increasing proportion of CO2 to be stored. No CCS means no 2°C.This article is part of the theme issue ‘The Paris Agreement: understanding the physical and social challenges for a warming world of 1.5°C above pre-industrial levels'.
LanguageEnglish
Article number20160447
Number of pages23
JournalPhilosophical Transactions A: Mathematical, Physical and Engineering Sciences
Volume376
Issue number2119
Early online date2 Apr 2018
DOIs
Publication statusPublished - 13 May 2018

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Carbon capture
Carbon
carbon
Climate
climate
Direct injection
Weathering
Commitment
Greenhouse gases
heating
Greenhouse Gases
greenhouses
Costs
weathering
fossils
Certificate
Innovation
Rocks
Ocean
Exception

Keywords

  • Paris agreement
  • carbon reduction
  • carbon capture
  • carbon storage
  • CO2

Cite this

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Negative emissions technologies and carbon capture and storage to achieve the Paris Agreement commitments. / Haszeldine, R. Stuart; Flude, Stephanie; Johnson, Gareth; Scott, Vivian.

In: Philosophical Transactions A: Mathematical, Physical and Engineering Sciences , Vol. 376, No. 2119, 20160447, 13.05.2018.

Research output: Contribution to journalArticle

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