 | | | | Links to recent scientific papers, web posts, upcoming events, job opportunities, podcasts, and event recordings, etc. on Carbon Dioxide Removal TechnologyClimate managers across three European countries show varying preferences for nature-based versus technology-based CDR, shaped by their beliefs about CDR approaches and firm-level factors such as energy intensity (Source)This service costs us around $XXXX each month and relies entirely on your donations. Help ensure its future by subscribing to a paid plan.Donate < $10 Get 20% off a group subscription TABLE OF CONTENTSNote: Click on the headings listed in the table of contents above to easily navigate to the sections you’re interested in.THIS WEEK’S TOP CDR HIGHLIGHTSCanada Launches Advance Carbon Removal Coalition to Mobilize $100M for CDR by 2030: A new Advance Carbon Removal Coalition has launched in Ottawa to boost Canada’s emerging CDR industry, aiming to mobilize US$100 million by 2030 in investments, purchases & project financing for CDR initiatives. Founding members include the federal government, Carbon Removal Canada, BMO, RBC, Shopify, NorthX, ClimeFi and Vancity, who’ve already committed over $75 million to date. The coalition will act as a demand-side platform to unite buyers, investors & developers, strengthen market signals, help projects secure financing and position Canada as a leader in CDR. Carbon Dioxide Sequestration into Biomineral Armor by Ants: A new study reveals for the first time that a species of fungus‑farming ant, Sericomyrmex amabilis, captures CO₂ from the air and converts it into a mineral called dolomite that coats its exoskeleton as armor. This biomineralization was traced directly from atmospheric CO₂, and the process works at ambient conditions, offering a surprising natural model that could inspire low‑energy carbon sequestration technologies to help tackle climate change. Mercedes F1 Backs Seven New Carbon Removal Projects: The Mercedes-AMG PETRONAS Formula One Team has expanded its carbon dioxide removal portfolio by backing seven new projects across DAC, BECCS, biochar, biomass storage, ocean alkalinity enhancement and enhanced rock weathering. The portfolio now supports about 18,900 tCO₂e of removals across projects in Brazil, Canada, the US, UK, Denmark and India, delivered via CUR8. EU Adopts 2040 Climate Target: The EU Council formally adopted the European Climate Law amendment, after the plenary adoption by the European Parliament last Month. It legalises the interim (2040) 90% climate target, leading to net climate neutrality in 2050. This includes linking permanent European carbon removals (CRCF) to compensate for residual hard-to-abate emissions under the EU ETS. And from 2036 onwards, high-quality international “Art 6 credits” may be used up to a limit of 5% of 1990 EU net emissions; a pilot phase is foreseen as of 2031. Boeing Secured Deal with Carbonfuture: Boeing has signed a deal with Carbonfuture to procure 40,000 tonnes of biochar-based carbon removal credits. The initiative targets Boeing’s residual business travel emissions, using a verified digital platform to ensure high-durability sequestration across a global portfolio of biochar projects. Report: The CDR sector could boost Canada’s GDP by nearly C$78 billion ($58.5 bln) and create 300,000 jobs by 2050, according to a new report by a Carbon Removal Canada. ICVCM Approves Rainbow as CCP-Eligible Carbon Program: The Integrity Council for the Voluntary Carbon Market (ICVCM) has approved the Rainbow carbon crediting program as CCP-Eligible, marking the ninth program to meet the body’s benchmark for high-integrity voluntary carbon markets. Read on to unpack more updates: COMMERCIAL NEWS Share RESEARCH PAPERSAuthors: Hongjie Li, Yihang Fang, Weiqiang Li, Jing Liu, et al.Synopsis: This study reveals that Sericomyrmex amabilis fungus-farming ants rapidly convert CO₂ in their nests into a biomineral layer of partially ordered dolomite on their exoskeletons. Using stable isotope tracking, nano-SIMS, and ¹³C SSNMR, the research demonstrates a natural, rapid carbon mineralization process that parallels global biosphere-level mechanisms. This biogenic sequestration offers a unique model for accelerating CO₂ mineralization and informs potential strategies for anthropogenic climate change mitigation.
Authors: Jochen Knies, Tobias Kurz, Michael Brauns, et al.Synopsis: Using hyperspectral core imaging and geochemical proxies from offshore Norway, this study examines continental weathering during the end-Triassic extinction. Evidence shows that volcanic activity from the Central Atlantic Magmatic Province (CAMP) coincided with intensified continental transformation and erosion. Mercury pulses, carbon isotope shifts, and a mineral transition from smectite to kaolinite indicate enhanced weathering linked to elevated atmospheric CO₂—up to four times pre-extinction levels. These findings provide new constraints for carbon-cycle models during major climate perturbations.
Authors: Sabrina Mili, Robert Mai, Rolf Wüstenhagen, Moritz LoockSynopsis: A choice experiment with 378 climate managers across three European countries examines what drives corporate purchases of CDR credits. Results show a general preference for nature-based solutions, such as reforestation or wetland restoration, over technology-based approaches like carbon capture and storage. Decision style also matters: managers with holistic decision-making tendencies favor nature-based options more strongly, while those focusing on single attributes are relatively more inclined toward technological CDR solutions.
Authors: Nathan Johnson and Iain StaffellSynopsis: This study updates the “climate stabilization wedges” framework to help compare and design decarbonization pathways that reflect societal priorities. A wedge represents an activity that can avoid ~2 GtCO₂e per year by 2050. Limiting warming to 1.5 °C requires about 20 additional wedges beyond current policies. Researchers identify 36 strategies across energy, industry, transport, land use, and behavior. While existing pathways emphasize renewables and industry measures, the framework highlights broader options—including nature-based solutions and consumption changes—offering a flexible, accessible tool for planning climate mitigation strategies.
Authors: Zhuoya Zhou, Tingting Li et al.Synopsis: This study introduces SAL-GPP, a process-based model designed to better estimate gross primary productivity (GPP) in coastal salt marshes—important blue carbon ecosystems. By incorporating coastal-specific factors such as salinity and temperature stress, the model improves accuracy compared with traditional biosphere models and remote sensing products. Global simulations estimate average salt marsh GPP at ~66.9 TgC per year (2011–2020), with major hotspots in the southeastern United States, western Europe, southeastern China, and Australia. The model enhances global blue carbon accounting and supports climate mitigation strategies based on nature-based solutions.
Authors: Selene Cobo, Ángel Galán-Martín & Gonzalo Guillén-GosálbezSynopsis: This study assesses the sustainability impacts of large-scale CDR technologies using prospective life cycle analysis for 2030–2050. Results highlight key trade-offs: biochar and BECCS may increase nutrient demand and threaten food security, while direct air capture and ocean liming could intensify mining of critical minerals. By integrating environmental, health, and resource indicators, the analysis identifies major bottlenecks and offers insights for scaling CDR more sustainably while minimizing unintended environmental and resource-related risks.
Authors: Zhengzheng Xue, Xiaokai Xu, Lin Tian, Kuo Jian, Shuo Zhang, Liangwei Xu, Jian Li, Zehua Zhang, Yue Xin & Yixuan YaoSynopsis: This study evaluates CO₂ sequestration in the No. 3 high-rank coal reservoir of the southern Qinshui Basin using high-pressure, high-temperature adsorption experiments and modeling. Results show adsorption dominates at middle–deep subcritical depths, while free-phase sequestration increases in the deep supercritical zone. Optimal sequestration occurs at 800–1100 m, with a total potential of 575.5 Mt. Two northern deep coal units are identified as prime zones, supporting integrated coalbed methane production and CO₂ storage.
Authors: Michel BourbanSynopsis: This article examines the ethical and practical risks of relying on large-scale CDR in climate pathways. While CDR could help limit warming below 2 °C, it may also delay deep decarbonization, causing overshoot of the global carbon budget and amplifying climate injustices. The study analyzes the substitution problem between CDR and emissions reductions, outlining its structure, ethical implications, and conditions under which reliance on CDR could undermine equitable and effective climate action.
Authors: Kunkun Tu, Muze Han, Jinjing Liu, Ronghua Yu, Jiayi Li, Jie Wang, et al.Synopsis: This study develops a bioinspired method to enhance wood flame retardancy using Bacillus mucilaginosus (B.m.)–induced calcium carbonate precipitation. The bacteria penetrate wood pores, capture atmospheric CO₂ via carbonic anhydrase, and deposit CaCO₃ in cell lumens without altering appearance. Treated wood shows higher residual weight, slower thermal decomposition, reduced heat release, and faster self-extinguishing. This waste-free, energy-efficient approach combines CO₂ sequestration with improved fire safety for sustainable wood applications.
Authors: Salar Fakhraddinfakhriazar, Cristhian Molina-Fernández, Grégoire LéonardSynopsis: This review examines adsorption-based direct air capture (DAC) technologies, focusing on the stability of CO₂ sorbents—a key barrier to sustainable, large-scale deployment. While most research targets CO₂ capacity and selectivity, sorbent degradation under thermal, oxidative, and hydrothermal conditions remains critical. Oxidative degradation, especially for amine-based sorbents, poses the greatest challenge. Understanding these mechanisms is essential for designing durable, efficient DAC systems that can reliably remove CO₂ from the atmosphere.
Authors: Valentin Benedikt Seithümmer, Samuel Jaro Kaufmann, Felix Jonathan Brucker, Resul Çağtay Sahin, Kai Peter Birke, Paul RößnerSynopsis: This study presents a fully electrified CO₂-loop integrating direct air capture with gliding arc plasma for sustainable cement production. CO₂ is absorbed in an alkaline solution and solidified as high-purity CaCO₃, while plasma-driven calcination regenerates CaO and releases CO₂, closing the carbon and calcium cycle. The process also enables CO production for synthesis gas. By replacing fossil fuels with electrical energy, this pathway offers a promising approach for decarbonizing cement and related industrial sectors.
Authors: Jörg Schwinger, Leon Merfort, Nico Bauer, et al.Synopsis: This study presents a framework for creating no-CDR baselines in emission-driven Earth system model (ESM) simulations to assess CDR impacts. Unlike stylized “CDR-off” experiments, the framework accounts for socio-economic constraints and energy–land-use interactions from integrated assessment models. It highlights trade-offs in baseline design and shows that climate internal variability can obscure small CDR signals, emphasizing the need for large ensembles or stylized models to robustly quantify CDR-induced carbon-cycle and biogeophysical feedbacks.
Authors: Daniel O. Olasehinde, Olusola Bamisile, Caroline Acen, Chukwuebuka Ejiyi, Qi Huang, Sandra ObioraSynopsis: Using En-ROADS, this study evaluates five global pathways combining fossil fuel reduction and CDR to meet Paris Agreement targets. Scenarios reveal trade-offs: heavy CDR reliance delays costs but increases long-term dependence, while aggressive fossil mitigation demands sharp near-term fiscal adjustments. The most balanced pathway, limCDR, pairs phased fossil reductions with moderate CDR, achieving 1.5 °C targets while maximizing GDP and global welfare by 2100, highlighting the need for a calibrated mix of mitigation and removals.
Authors: Frank J. Pavia, Jonathan E. LambertSynopsis: This study quantifies carbon dioxide removal from 40,000 U.S. green clay tennis courts, where basalt feedstock enables silicate weathering. A lifecycle analysis shows that courts sequester over 25,000 t CO₂ annually, with median courts becoming net CO₂-negative in 3.5 years. Transportation from the basalt source drives most emissions. Green clay courts emit 1.6–3× less CO₂ than hard courts, and adjustments to feedstock and maintenance could further enhance verifiable carbon sequestration.
Authors: Y Bicer, I Ghiat, Y M Abdullatif, A Banu, T Al-Ansari and A I AmhamedSynopsis: This study presents an HVAC-integrated DAC system that recovers water from the CO₂ desorption cycle for green hydrogen production. Using a TEPA-functionalized SBA-15 sorbent in a temperature-vacuum swing adsorption process, the system reduces energy demand by leveraging building exhaust air and improves indoor air quality. Economic analysis estimates $221/t CO₂ capture and $5.95–$14.71/kg H₂, demonstrating a viable pathway for combined negative emissions and clean fuel generation.
Authors: Mitrakhi Sarmah et al.Synopsis: This study examines microalgae as a nature-based carbon sequestration solution, highlighting their high photosynthetic efficiency and rapid biomass production. Carbon fixation rates vary from 0.06 to 2.57 g L⁻¹ d⁻¹, with Haematococcus pluvialis performing best. Biofilm and hybrid reactors optimize cultivation, while genetic interventions, e.g., in Chlamydomonas reinhardtii, boost carbon capture and biomass. Microalgae also support bioenergy, nutrition, pharmaceuticals, biofertilizers, industrial bioproducts, and wastewater bioremediation, aligning with multiple UN SDGs.
Authors: Julia Danzer, Gottfried KirchengastSynopsis: This study explores fairness in global CDR allocation using a simple emissions and removal model (SERM) in a conceptual “Austro-World” scenario with four stylized countries. Analysis of policies—from equal-per-capita to grandfathering and country-specific allocations—reveals substantial fairness implications for CDR scale-up toward net-zero and beyond. The findings highlight that distributive justice for limited carbon removal budgets is as critical as for remaining carbon emissions in achieving equitable climate transitions.
Authors: Zhelin Sheng, Kaimei Zhang, Chen Ling, Wenjuan Shen, et al.Synopsis: This study uncovers the “forest carbon paradox” in China (2000–2019): despite large-scale afforestation, forest expansion has limited immediate impact on CO₂ emissions or GDP. Using LSTM-MLP models and multispatial Convergent Cross Mapping, energy consumption—especially electricity and natural gas—emerged as the dominant driver of both emissions and economic growth. Causal analysis shows emissions strongly influence forest coverage, highlighting the need to reconsider forest carbon valuation and account for temporal lags in mitigation planning.
Authors: Xiang Zhang, Songyu Liu, Kai Wu, Zhenyang Yuan, Zengfeng, Guojun CaiSynopsis: This study evaluates the durability and CO₂ sequestration of carbon sequestration foamed concrete (CFC) under chemical sulfate attack. Specimens exposed to magnesium sulfate and sodium sulfate for up to 30 days showed enhanced resistance, with minimal changes in volume, mass, and CO₂ capture capacity. The results demonstrate that CFC maintains its sequestration performance under harsh conditions, providing a foundation for its large-scale application as a durable, CO₂-storing building material.
WEB POSTSBOOKEdited by: John R. VaccaAbout the book:-Demonstrates how solar Radiation Management (SRM) could potentially reduce the impact of temperature overshoot-Shows how Carbon Dioxide Removal (CDR) could remove carbon dioxide (CO2) from the atmosphere; thus, reducing warming-Presents how Stratospheric aerosol injection (SAI) could work to limit warming
REPORTSShare Carbon Removal Updates UPCOMING EVENTSMarch 2026April 2026We have curated a “Carbon Removal Events Calendar.” Explore and stay informed about upcoming events, conferences, and webinars on Carbon Dioxide Removal technology. Sync specific events / all events to your default calendar to ensure you never miss out on important CDR updates. Carbon Removal Events Calendar Add our Carbon Removal Events Calendar to your default calendar in 2 ways:Sync specific event: Click the event → menu (≡) → Share → choose your calendar → Save.Or sync all events: Menu (≡) → Preferences → iCalendar Feeds → Copy URL → Add to your calendar settings → Subscribe.JOB OPPORTUNITIES“Charm Industrial’s mission is to return the atmosphere to 280 ppm CO₂. We convert excess inedible biomass into carbon-rich bio-oil and inject it into underground storage for permanent carbon removal. At scale, we can use bio-oil to make fossil-free iron.”
“Graphyte is a carbon removal company building durable, scalable infrastructure to permanently remove carbon from the atmosphere. By combining innovative processing techniques with engineered storage solutions, Graphyte transforms biomass into stable carbon and sequesters it securely underground.”
“NULIFE converts underutilized biomass into permanent, Isometric-verified carbon removal using modular HTL facilities in Canada.”
“LongStraw Carbon is scaling biochar carbon removal with multiple industrial scale projects across India - permanent CDR + soil/biofertilizer co-benefits.”
“Terraformation is committed to addressing climate change through the power of native forest restoration and sustainable farming practices.”
“Atoco, Inc. is a startup company founded by the distinguished scientist Prof. Omar Yaghi, the inventor of MOF and COF chemistry. Atoco is currently working on technologies in the fields of atmospheric water harvesting and CO2 capture.”
“Offstream is redefining carbon credit certification, empowering project developers to get certified faster and unlock new revenue opportunities.”
“Heirloom’s unique DAC platform is one of the few low-cost carbon removal technologies capable of reaching billion-ton scale.”
ZeroEx is scaling permanent carbon removal through enhanced rock weathering (ERW) projects in Germany, Brazil, and the United States.”
Looking for your dream job in CDR? There are 612 jobs available *right now*: check them all out at: CDRjobs Board
PODCASTSPeter Reinhardt, CEO & co-founder, Charm Industrial; CEO & co-founder, Segment | The Social Radars | Peter Reinhardt, CEO & co-founder, Charm Industrial; CEO & co-founder, Segment The Social Radars 1:07:51 |
“In the latest episode of The Social Radars, we talk to Peter Reinhardt, who has the distinction of having started two iconic companies that are completely different from one another: Segment, which does web analytics, and Charm Industrial, which catches CO2 before it can return to the atmosphere and buries it in the ground.”
“In this edition of Plan Sea, hosts Anna Madlener and Wil Burns are joined by Frank Rattey and Dr. Thorben Amann of Planeteers — a Hamburg-based carbon removal startup researching alkalinity-based carbon dioxide removal (CDR) approaches — to discuss the science behind their closed-system pathway, their first field tests, and the national regulations guiding ocean-climate research.”
How to Grow Regen Ag without Carbon Credits—w/ Emma Fuller, Cofounder of Fractal Agriculture | Reversing Climate Change | 389: How to Grow Regen Ag without Carbon Credits—w/ Emma Fuller, Cofounder of Fractal Agriculture Reversing Climate Change 51:12 |
“Sometimes when people think they are coming at an issue from first principles, they’re already pretty far downstream. What if rethinking an issue means really blowing past the current framework entirely and figuring out how to get the result in an entirely new way?Emma Fuller is the Cofounder of Fractal Agriculture, a firm which takes minority equity stakes in farmland to help farmers switch to more regenerative practices.Listen in to hear more about how to do business in an extremely creative way that blends customer insights and clever design to reduce friction, correct misaligned incentives, and the bypass the pathologies of the old way of doing things.”
How Vycarb’s ‘show, then tell’ marketing strategy converts prospects | Garrett Boudinot | BUILDERS | How Vycarb's 'show, then tell' marketing strategy converts prospects | Garrett Boudinot BUILDERS 23:47 |
“Vycarb is commercializing a carbon storage technology that mimics ocean chemistry, converting CO2 into bicarbonate—a stable molecule that remains sequestered for hundreds of thousands of years. Based in Brooklyn, the company operates at the intersection of hard science and market-making in carbon removal, where customers, verification standards, and pricing mechanisms are all emerging simultaneously. Garrett Boudinot shares how Vycarb navigated this complexity: closing their first deals with progressive offset aggregators, pivoting from voluntary ESG buyers to compliance-driven ICPs as market dynamics shifted in 2022-2023, and building international pipeline in Asia Pacific and Europe that became essential when US climate policy reversed in 2025.”
From Air to Sea: the Canadian Senate takes on marine CDR - with Senator Colin Deacon | The CDR Policy Scoop | From Air to Sea: the Canadian Senate takes on marine CDR - with Senator Colin Deacon The CDR Policy Scoop 29:44 |
“In this episode of The CDR Policy Scoop, Eve Tamme is joined by Canadian Senator Colin Deacon from Nova Scotia. Senator Deacon is a former entrepreneur, who has been a driving force behind what may be the most comprehensive government study on marine carbon dioxide removal undertaken by any national legislature to date.The conversation centres on the landmark report published by Canada’s Standing Senate Committee on Fisheries and Oceans in February 2026, which examined marine CDR - particularly ocean alkalinity enhancement - and put forward nine clear, actionable recommendations. Senator Deacon explains what drew the committee to the topic, the unexpected complexity of navigating four overlapping federal regulators, and why agile regulation, not the science, emerged as the single biggest barrier to scaling the sector.Eve and Senator Deacon explore the significance of Canada asserting sovereign jurisdiction over land-based ocean alkalinity enhancement projects, the case for creating a regulatory sandbox that brings innovators and regulators together, and the importance of access to compliance carbon markets for removal credits. Senator Deacon reflects on Canada’s strong foundation in this space, from two X Prize winners and the Ocean Frontier Institute at Dalhousie University, to a Prime Minister in Mark Carney with deep personal understanding of carbon markets and end-to-end credit integrity.The episode also touches on the role of social license, why site visits proved the most powerful tool for building political buy-in among new committee members, and why Senator Deacon insists that scaling and studying marine CDR must happen in parallel, not sequentially. The discussion closes with a forward-looking call: the world will not reach net zero without carbon removal, and the time to build the markets, the regulation, and the trust to support it is now.”
Carbon Removal Updates is a reader-supported publication. Consider becoming a paid subscriber. YOUTUBE VIDEOSHow did you celebrate Carbon Removal Day? | NowMedia Group Insights from Diego Justiniano, CEO of Exomad Green, at the Bolivia Carbon Forum | Exomad Green “Interview from the first edition of the Bolivia Carbon Forum, held on March 5, 2026 features insights on the evolving carbon removal landscape, the role of biochar, and the future of carbon dioxide removal (CDR) in the region.Hear from Diego Justiniano, CEO of Exomad Green, as he shares perspectives on policy, market development, and the future outlook for CDR from the viewpoint of one of the world’s largest biochar producers and a leading carbon removal delivery company.”
Peter Reinhardt, CEO & co-founder, Charm Industrial; CEO & co-founder, Segment | The Social Radars Podcast “In the latest episode of The Social Radars, we talk to Peter Reinhardt, who has the distinction of having started two iconic companies that are completely different from one another: Segment, which does web analytics, and Charm Industrial, which catches CO2 before it can return to the atmosphere and buries it in the ground.”
Navigating CDR in the EU & UK Emission Trading Systems - Quarterly CDR policy update with remove | Carbon Gap “This policy webinar focuses on how CDR could be integrated into Emissions Trading Schemes (ETS) with a specific lens on the UK market and what this could mean for supply, demand, and future policy design, featuring Josh Burke and Leonie P. Meissner (Grantham Research Institute), sharing initial findings from their study on integrating CDR into the UK ETS, alongside our hosts Francesca Battersby and Louis Uzor (Carbon Gap).”
This is CDR: Accelerating Carbon Removal Startups - CRC 20226 Webinar #5 | OpenAir “For the fifth webinar in the OpenAir Collective’s 2026 Carbon Removal Challenge monthly webinar series, we proudly presented a panel on CDR accelerators, with AirMiners’ Tito Jankowski, Marble’s Mica Taborga Claure, and remove’s Marian Krüger.They discussed their accelerator programs, what they look for in participating startups, the successes that their participants have had, and their advice to student teams participating in the Challenge.”
The Carbon Removal Story: a webinar on the limits of CDR (March 2, 2026) | European Federation for Science Journalism “As the world looks set to overshoot the Paris Agreement limit of 1.5°C of warming, some carbon dioxide removal is now included in all IPCC scenarios for a livable climate. The chances of avoiding truly catastrophic levels of warming increasingly rely on ‘drawdown’, or being able to not only reduce current greenhouse gas emissions but also remove ‘historical’ emissions from the atmosphere. And startups around the world, big and small, are banking on and selling ideas ranging from pumping CO2 underground to using genetically engineered plants to capture more of it faster.Scientists are trying to use CDR to balance an increasingly wobbly equation: if we want a safe climate, but we also keep putting more and more CO2 into the atmosphere, how much do we need to remove to not completely go off the rails? In the meantime, politicians are tempted to use carbon removal essentially as a ‘get-out-of-climate-jail-free’ card, betting on future generations to deal with current emissions and reach net zero.”
Sequestering the best outcomes for your carbon credits | Economist Impact Events “Various carbon dioxide removal (CDR) technologies are available, but which one is cost-efficient, impactful, scalable, and less risky? What is the real value proposition? How do you build an impactful strategy for your climate targets? What shall the mix be between carbon credits and removals, permanent and less durable, depending on your company and industry?”
The Carbon at Risk Measure Can Unlock Financial Markets for Large-Scale Carbon Removal | Cambridge Energy and Environment Group “Meeting net-zero targets requires a rapid and large-scale increase in investment in carbon dioxide removal, and ensuring that investment is allocated efficiently across technologies with fundamentally different risk profiles. Carbon removal markets currently lack a standardised, quantitative measure of permanence risk, leaving buyers and policymakers reliant on coarse qualitative classifications that inhibit informed comparison and portfolio construction. Inspired by Value at Risk in financial markets, we propose Carbon at Risk (CaR): the additional removal that must be purchased to guarantee, at a given confidence level and time horizon, that a target quantity of carbon remains durably stored. We estimate CaR in two empirical applications with very different risk profiles: forest carbon, where Monte Carlo simulations calibrated to satellite-derived fire data yield a 95% CaR at 200 years of up to 80%, and geological storage (DACCS), where the 95% CaR ranges from 0.15% to 17% depending on regulatory regime. We then show how combining technologies in a portfolio creates a trade-off between cost and risk: the minimum cost of meeting a durability target depends on within-technology correlation and the relative price of safer alternatives. CaR provides a practical basis for calibrating buffer pools, comparing projects on a common scale, and designing cost-effective removal portfolios.”
Soil Carbon Science Webinar #9: Enhanced Rock Weathering & Soil Carbon Sequestration | 4p1000 Initiative “Enhanced rock weathering (ERW) is gaining increasing recognition as a promising carbon dioxide removal (CDR) strategy. However, its overall effectiveness — and its potential co-benefits — are closely linked to soil processes, nutrient cycling, microbial dynamics, and broader agroecosystem management practices.This webinar convened leading researchers to explore ERW from both mechanistic and applied perspectives, providing insight into the scientific foundations as well as practical implementation considerations. Expert presentations were delivered by Dr. Sara Vicca (University of Antwerp) and Dr. Noah Sokol, Staff Scientist at Lawrence Livermore National Laboratory.”
Certifying high quality permanent carbon removals | Zero Emissions Platform “The features a series of key recommendations put forward by ZEP to guide the European Commission in developing certification methodologies for permanent carbon dioxide removal (CDR). The session brought together experts from industry, civil society, and academia to engage in an in-depth discussion, offering insights to policymakers on the consensus within the carbon management community. The webinar provided an overview of the recommendations and expert perspectives that aim to shape the future of CDR certification.”
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