Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Achieving Net Zero Carbon Dioxide by Sequestering Biomass Carbon

Version 1 : Received: 22 July 2020 / Approved: 24 July 2020 / Online: 24 July 2020 (10:22:32 CEST)
Version 2 : Received: 4 August 2020 / Approved: 5 August 2020 / Online: 5 August 2020 (08:54:39 CEST)

How to cite: Amelse, J. Achieving Net Zero Carbon Dioxide by Sequestering Biomass Carbon. Preprints 2020, 2020070576 (doi: 10.20944/preprints202007.0576.v2). Amelse, J. Achieving Net Zero Carbon Dioxide by Sequestering Biomass Carbon. Preprints 2020, 2020070576 (doi: 10.20944/preprints202007.0576.v2).

Abstract

Mitigation of global warming requires an understanding of where energy is produced and consumed, the magnitude of carbon dioxide generation, and proper understanding of the Carbon Cycle. The latter leads to the distinction between and need for both CO2 and biomass CARBON sequestration. Short reviews are provided for prior technologies proposed for reducing CO2 emissions from fossil fuels or substituting renewable energy, focusing on their limitations. None offer a complete solution. Of these, CO2 sequestration is poised to have the largest impact. We know how to do it. It will just cost money, and scale-up is a huge challenge. Few projects have been brought forward to semi-commercial scale. Transportation accounts for only about 30% of U.S. overall energy demand. Biofuels penetration remains small, and thus, they contribute a trivial amount of overall CO2 reduction, even though 40% of U.S. corn and 30% of soybeans are devoted to their production. Bioethanol is traced through its Carbon Cycle and shown to be both energy inefficient, and an inefficient use of biomass carbon. Both biofuels and CO2 sequestration reduce FUTURE CO2 emissions from continued use of fossil fuels. They will not remove CO2 ALREADY in the atmosphere. The only way to do that is to break the Carbon Cycle by growing biomass from atmospheric CO2 and sequestering biomass CARBON. Theoretically, sequestration of only a fraction of the world’s tree leaves, which are renewed every year, can get the world to Net Zero CO2 without disturbing the underlying forests. Thoughts are put forth on how to achieve secure permanent biomass sequestration.

Subject Areas

carbon dioxide; global warming; sequestration; carbon cycle; biomass sequestration, carbon sequestration

Comments (1)

Comment 1
Received: 5 August 2020
Commenter: Jeffrey Amelse
Commenter's Conflict of Interests: Author
Comment: This article was originally written for submission to journals that had word count limits.  That is why it is split into a main manuscript, and why detail of some of the prior technologies was moved to the Supplemental Input.  It has now been submitted to an Open Access journal without a page or word count limit.  Thus, the original SI text has been embedded in the main body of the manuscript.  Reviewers also asked for more details on how permanent secure sequestration of biomass can be implemented.  A new section has been added that puts forth some thoughts on how this might be achieved.
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