Schlagwort: biochar

Puro Standard Biochar methodology edition 2022

on puro.earth

The new version of Puro Standard Biochar carbon removal methodology – edition 2022 – is ready to be used. During last 2.5 years, the Puro project members have been fortunate to gather feedback and learn from our global biochar producers, scientific experts, pioneering CORC buyers, as well as auditors in Europe, Australia and the Americas. All of these learnings are now captured in the updated methodology.

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Janssens et al. (2022): Negative erosion and negative emissions: Combining multiple land-based carbon dioxide removal techniques to rebuild fertile topsoils and enhance food production

Ivan A. Janssens, Dries Roobroeck, Jordi Sardans, Michael Obersteiner, Josep Peñuelas, Andreas Richter, Pete Smith, Erik Verbruggen, Sara Vicca IN: Front. Clim., 07 September 2022, Sec. Negative Emission Technologies, https://doi.org/10.3389/fclim.2022.928403

This paper elaborates on the idea to take these CDR technologies (biochar amendment, soil carbon sequestration) a step further and use them not only to drawdown CO2 from the atmosphere, but also to rebuild fertile soils (negative erosion) in areas that suffer from pervasive land degradation and have enough water available for agriculture. This way of engineering topsoil could contribute to the fight against malnutrition in areas where crop and livestock production currently is hampered by surface erosion and nutrient depletion, and thereby alleviate pressure on intact ecosystems.

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Werner et al. (2022): Potential of Land-Neutral Negative Emissions Through Biochar Sequestration

C. Werner, W. Lucht, D. Gerten, C. Kammann IN: Earth’s Future Vol. 10, Issue 7, https://doi.org/10.1029/2021EF002583

The autors assess feasible negative emissions contributions of alternative, more sustainable pyrogenic carbon capture and storage (PyCCS) based on land-neutral biomass production using biochar-mediated yield increases to maintain calorie production while realizing net CO2 extraction from the atmosphere. Simulations with a biosphere model indicate that such a land- and calorie-neutral PyCCS approach could sequester 0.44–2.62 Gt CO2 yr−1 depending on the assumed biochar-mediated yield increase achievable on (sub-)tropical cropland (15%, 20% and 30%, respectively).

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Policy brief: Soils Research to deliver Greenhouse Gas Removals and Abatement Technologies (SOILS-R-GGREAT)

UK GGR Research Programme

Through new research on global croplands SOILS-R-GGREAT researchers have estimated that arable farming has produced a loss of around 25 Gt carbon relative to the natural state in 1975 but, since that time, there has been an addition of about 4Gt of soil organic carbon (SOC) due to improved agricultural practices. Alongside agricultural management, approaches such as addition of biochar or enhanced weathering of silicate rocks on soils can improve carbon storage. Researchers present possible CO₂ sequestration from these two techniques in Sao Paulo State, Brazil.

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Jaschke and Biermann (2022): The policy discourse on negative emissions, land-based technologies, and the Global South

Gregor Jaschke and Frank Biermann IN: Global Environmental Change, Volume 75, July 2022, 102550, https://doi.org/10.1016/j.gloenvcha.2022.102550

This article analyzes the nascent policy discourse on negative emissions with a focus on land-based technologies (afforestation and reforestation, bioenergy with carbon capture and storage, biochar, soil carbon sequestration). The authors conclude that this policy discourse is largely centered in the Global North (mostly in the United States, the United Kingdom, and Germany), with only five organizations directly linked to the Global South. While the earlier policy discourse on negative emissions was linked to a more general “geoengineering” discourse, this link has loosened in the last years. Overall, in the documents that were studied, negative emissions technologies seem to become more accepted, and parts of the discourse shift towards deployment. 

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Report: Technology Readiness Assessment, Costs and Limitations of five shortlisted NETs

Kenneth Möllersten, Raza Naqvi, Mälardalen University, Report of the NET-RAPIDO Project: Negative emission technologies: readiness assessment, policy instrument design, options for governance and dialogue, 77 pp.

This report presents an in-depth technology readiness, cost assessment and an analysis of practical deployment barriers for NETs along with an analysis of related knowledge gaps and research needs. The selected NETs are (i) bioenergy with carbon capture and storage (BECCS); (ii) direct air capture and storage (DACCS); (iii) large-scale afforestation and reforestation; (iv) soil carbon sequestration; (v) Biochar as soil additive; (vi) Enhanced Weathering; (vii) Accelerated Mineralization; (viii) Ocean fertilization.

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Nature – Buss et al. (2022): Mineral-enriched biochar delivers enhanced nutrient recovery and carbon dioxide removal

Wolfram Buss, Christian Wurzer, David A. C. Manning, Eelco J. Rohling, Justin Borevitz, Ondřej Mašek IN: Commun Earth Environ 3, 67 (2022). https://doi.org/10.1038/s43247-022-00394-w

Biochar production via biomass pyrolysis with subsequent burial in soils provides a CDR technology that is ready for implementation, yet uptake requires acceleration; notably, through generation of cost reductions and co-benefits. Here the authors determined that biomass enrichment (doping) with refined minerals, mineral by-products, or ground rocks reduces carbon loss during pyrolysis, lowering carbon dioxide removal costs by 17% to US$ 80–150 t−1 CO2, with 30% savings feasible at higher biomass costs.

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This is CDR: The Future Forest Company

Tue, March 29, 2022, 1:00 PM – 2:00 PM by OpenAir

This week on „This Is CDR“: Jim Mann, Co-Founder and CEO of the Future Forest Company, will talk about scalable, durable carbon removal and how enhanced weathering and biochar can be applied to improve productive land.

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The Green Carbon Webinar is starting again

Deadline Call for speakers: 6th February 2022

The 5th webinar series (UK Biochar Research Centre, University of Edinburgh) will be running from February to June 2022 with 2 bi-weekly presentations. Therefore, they are looking for enthusiastic academics and professionals to present their work. The webinar series will focus on the production, characterisation and application of advanced carbon materials from biomass, i.e. biochar, hydrochar and activated carbon.

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How to secure carbon removal for your net zero pledge?

by PuroEarth

A webinar with CEO, Antti Vihavainen, he talks how Pre-CORC takeoff agreements work and meet the supplier of negative emissions: Carbo Culture. Carbo Culture is a Puro.earth current and Pre-CORC supplier of biochar-based technology to permanently keep carbon from the atmosphere. Tim Preisenhammer, Head of Commercialization, talks about the firm’s plans for a new facility, long term vision and how your company can contribute to reaching these ambitious goals.

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