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Jan 18 3 tweets 8 min read Read on X
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (12 January - 18 January 2026):

📺:

🧵1/
Google, Stripe, and Shopify have made CDR prepurchases from Cella and PRONOE, allocating $3.05 million in deals facilitated by the Frontier coalition.
datacenterdynamics.com/en/news/fronti…

BluSky and Associated Energy Developers secured $8.3M for AR1 biochar facility expansion in Arkansas.
biochartoday.com/news/blusky-ca…

@1PointFive_ signed 3yr deal with Bain for 9,000 tons of DAC carbon removal credits from STRATOS, Texas.
1pointfive.com/news/1pointfiv…

Rubicon Carbon announced to supply Microsoft 2M ARR credits from Uganda forestry project by 2035.
esgtoday.com/microsoft-sign…

@Microsoft signed an agreement to buy 100,000 tons of biochar credits from Varaha over three years.
prnewswire.com/news-releases/…

Arca and Giga Metals signed 10 yr deal to explore 220M-tonne CDR project at Turnagain nickel mine, BC.
gigametals.com

CHAR Technologies & BMI Group secured CAD 10M for 50,000-tonne biocarbon facility in Espanola, Canada.
biochartoday.com/news/char-tech…

Microsoft signed a deal to buy 2.85M soil carbon credits from Indigo Ag over 12 years for CDR.
indigoag.com/pages/news/ind…

Milkywire opened 2026 call for durable CDR proposals, deadline Feb 9, 2026.
milkywire.com/articles/open-…

CEEZER partnered with Cloverly to strengthen carbon market infrastructure.
ceezer.earth/insights/ceeze…

SunnyDay Renewables & Biomass Energy launched Florida pyrolysis plant, converting waste to 30,000 tons biochar and sequestering 75,000 tons CO₂.
biochartoday.com/news/sunnyday-…

Petrobras & Shell jointly funded Carbon Countdown study mapping Brazil’s soil and forest carbon stocks.
carbonherald.com/petrobras-shel…

Wild Assets partnered with Sirona Technologies for direct air capture credit offtake.
sirona.tech/updates/sirona…

Restord retired and delivered 1 ton of biochar carbon removal credits with Glad, verified by CapChar.
linkedin.com/posts/restord-…

Netherlands Enterprise Agency announced to launch CDR innovation subsidy in March for carbon removal R&D.
rvo.nl/nieuws/koolsto…

Cercarbono updated ARR methodology for Colombian carbon standard projects.
carbon-pulse.com/474597/

NEG8 Carbon and Prochem announced to design Ireland’s first full-scale DAC system capturing 50 t CO₂/year.
neg8carbon.com/neg8-carbon-sc…

Microsoft agreed to buy 3.6M carbon removal units from Louisiana BECCS project; advised by Norton Rose Fulbright.
theenergyst.com/norton-rose-fu…

BloombergNEF launched Carbon Removals Purchasing Database tracking private-sector CDR purchases.
bloom.bg/4qMJTFJ?trk=fe…

Verra opened public comment on REDD+, blue carbon, and forest carbon offset projects.
verra.org/projects-open-…

@cdr_fyi published 2024-25 Impact Report, which outlines how CDR.fyi is advancing durable carbon removal through open data, market transparency, and community collaboration.
cdr.fyi/blog/impact-re…

2025 durable CDR market surged to 29.6M tonnes in 56 deals, a 296% increase over 2024, according to a new report by @ClimeFiHQ.
climefi.com/blog-posts/202…

Carbon Removal Updates released 2025 Year in Review that highlights market growth, policy shifts, government initiatives, startup funding, and key CDR resources.
carbonremovalupdates.substack.com/p/reflecting-o…

Arca Climate white paper detailed industrial waste-based CO₂ capture for scalable, durable carbon removal and revenue.
arcaclimate.com/industrial-min…

BSR report explored corporate carbon removal strategies for net-zero goals.
bsr.org/en/sustainabil…

Sabin Center warned legal hurdles could slow enhanced rock weathering in Minnesota without reforms.
scholarship.law.columbia.edu/sabin_climate_…
For more updates, subscribe to the Carbon Removal Updates Substack Newsletter:


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More from @geoengineering1

Jan 15
🚨2025 Year in Review: Solar Geoengineering Edition🚨

As we enter 2026, we’re excited to share our yearly summary for #SRM: "Solar Geoengineering in 2025: Rays of Hope, Clouds of Doubt."

Here’s what we cover in this comprehensive review:🧵1/11 Image
2/ 𝐖𝐡𝐚𝐭’𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐝 𝐢𝐧 𝐨𝐮𝐫 𝟐𝟎𝟐5 𝐫𝐞𝐯𝐢𝐞𝐰?
1️⃣ Rising Temp & Escalating Climate Impacts
2️⃣SRM Funding Announcements
3️⃣Top SRM Stories
4️⃣Restrictions & Bans on SRM
5️⃣Essential SRM Reads
6️⃣SRM in Media
7️⃣Research Highlights
8️⃣Our Work Across Geoengineering Image
3/ 2025 was the third-warmest yr on record. @CopernicusEU shows the last 11 yrs were the warmest ever, with the global average temp in yrs 2023-25 exceeding 1.5 °C. Top climate disasters caused $120B+ in losses, intensifying debates over mitigation, CDR & SRM. Image
Read 12 tweets
Jan 8
🚨Oceans struggle to absorb Earth's carbon dioxide as microplastics invade their waters, a new study finds.

#CarbonSink #CDR #CarbonSequestration

DETAILS🧵1/12 Image
2/ The ocean is Earth’s largest carbon sink, absorbing vast amounts of CO₂ from the atmosphere.

But tiny plastic particles under 5 mm (microplastics) are now everywhere, from deep sea to Arctic ice, disrupting this natural system. Image
3/ When microplastics enter the ocean, they interact with phytoplankton, the microscopic plants that absorb atm CO₂ through photosynthesis.

Even tiny plastic particles can shade, stress, or damage these organisms, reducing their growth and carbon-fixing ability. Image
Read 13 tweets
Jan 7
🚨Two recent engineering studies examine whether H2-powered aircraft can reliably deliver large payloads to the lower stratosphere for #SAI.

The papers compare a conventional tube-wing aircraft & a canard-wing alternative, analyzing design feasibility & performance limits🧵1/14 Image
2/ Delivering aerosols to these altitudes with large payloads is difficult using existing aircraft.

Both studies explore H2 propulsion b/c it offers high gravimetric energy density & zero CO₂e, potentially enabling long-duration missions without adding direct C emissions
3/ To enable comparison, both designs are evaluated against the same core mission:

• Climb and cruise at 65,000 ft
• Sustain flight for ~3.5 hours
• Deliver a ~50,000 lb aerosol payload
• Operate near aerodynamic and propulsion limits typical of the lower stratosphere
Read 15 tweets
Jan 1
🚨Agroforestry can lock away carbon and boost farmer livelihoods, but weak, costly measurement blocks smallholders from #carbon markets.

A new study introduced an AI-powered, smartphone-based MRV system that accurately measures tree carbon at scale.

DETAILS🧵1/11 Image
2/ Context: Carbon markets require precise Measurement, Reporting & Verification (MRV).

For smallholder agroforestry, traditional methods are labor-intensive, expensive & hard to scale. As a result, farmers are locked out of climate finance.
3/ So, in this study researchers used an approach "DiameterAlgorithm," a non-contact method that estimates tree diameter (DBH) from a single photograph.

Instead of manual tapes or costly sensors, it relies on computer vision and a simple reference tag placed on the tree. Image
Read 13 tweets
Dec 31, 2025
🚨Monthly Solar Geoengineering Updates (Dec Edition)

From NCAR’s possible shutdown & the Guardian’s sun-dimming debate to an African-led #SRM hub, the EU’s first governance conference & new studies, SRM dominated headlines and labs alike.

Top 10 SRM Highlights (Dec 2025)🧵1/8 Image
1️⃣ Trump administration plans to dismantle NCAR, a leading hub for climate & SRM research

2️⃣ Guardian editorial sparks debate, warning of “sun-dimming” under political control. In response, letters argue research shutdown stifles science & misrepresents African perspectives.

2/ Image
3️⃣ DSG launches SRM Governance Horizons, a project to assess institutional readiness and inclusive governance for solar radiation modification debates.

4️⃣ Sandro Vattioni wins China’s 2025 Pineapple Science Award for research on diamond dust as a potential SRM material.

3/ Image
Image
Read 9 tweets
Dec 24, 2025
🚨What if old clothes could power cities & remove CO₂?

New study shows that modular bioenergy with carbon capture (#BECCS) using discarded textiles can cut emissions, beat landfilling on env impacts & deliver durable #CDR at costs competitive with today’s CDR markets.

🧵1/10 Image
2/ ~92 Mt of textile waste are generated globally each year. Roughly half is biogenic (e.g., cotton), meaning it already represents stored atmospheric CO₂ captured by plants during growth.

Yet ~66% of US textiles are landfilled, releasing GHGs & pollutants over time.
3/ In this study, researches model a 100 t/day modular waste-to-energy plant using:

• 100% cotton textiles
• 50/50 cotton–PET blends

Each case is assessed with and without CCS and compared to landfilling using full LCA + techno-economic analysis. Image
Image
Read 11 tweets

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