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Jun 21 3 tweets 8 min read Read on X
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (15 June -21 June 2026):

📺:

🧵1/
Frontier has raised an additional $915M for carbon removal, from Stripe, Google, Salesforce, Shopify, H&M Group and Anthropic
frontierclimate.com/writing/growth…

Carbon to Sea Initiative announced $5 million RFP to expand global field research network for ocean alkalinity enhancement.
carbontosea.org/2026/06/17/glo…

Alrosa launched Russia's first CDR project, targeting removal of up to 25,000 tCO₂e/year.
gjepc.org/solitaire/alro…

New Forests launched a $707M natural capital fund, including carbon investments.
esgtoday.com/new-forests-la…

São Paulo launched a $5.9M pilot program to build Brazil's first BECCS facility for sugarcane ethanol.
carbon-pulse.com/521372/

ISO has opened its draft ISO 14060 carbon credit procurement rules for consultation until 09 September 2026, proposing durable CDR purchases within five years of setting a net-zero target.
iso.org/news/2026/06/s…

Mazda's onboard carbon capture system captured 804 g of CO₂ during a 24-hour endurance race, 9.6 times more than its previous test.
drive.com.au/news/mazdas-ca…

Mati delivered 492.4 tonnes of ERW carbon removal credits certified under Isometric's V1.2 protocol.
linkedin.com/posts/shantanu…

The Carbon Removal India Alliance and cKinetics signed an MoU to advance CDR in India.
carbonherald.com/cria-and-ckine…

Isometric and Howden launched an RFP to expand corresponding adjustment insurance for CDR suppliers.
carbonherald.com/isometric-laun…

Sequestra secured funding for a carbonation analytics lab in Vienna to advance CO₂ mineralization.
linkedin.com/posts/minerali…

CURA partnered with BBA Consultants to begin engineering its first commercial plant to produce 30,000+ t/year of decarbonized cement.
linkedin.com/posts/phildelu…

Climeworks signed 14 CO₂ removal deals totaling 450,000 tonnes in the past six months.
gasworld.com/story/climewor…

Kenya's NARA Climate Community Biochar Project issued and sold its first 144 tCO₂e verified C-Sink credits.
biochartoday.com/news/the-nara-…

Bain & Company partnered with Rubicon Carbon on ERW credits from Mombak's Project Cajueiro in Brazil.
linkedin.com/posts/mombak1_…

NoviqTech announced a strategic pivot to divest its tech platforms to focus heavily on the high-growth CDR sector, primarily driven by its Coralia subsidiary.
tradingview.com/news/smallcaps…

Puro.earth's registry surpassed 1 million retired CO₂ Removal Certificates (CORCs).
linkedin.com/posts/1m-1-sha…

Enova, the Norwegian state energy agency, is looking to launch NOACCS (Norwegian Auction Scheme for Carbon Capture and Storage): a competitive auction scheme for carbon capture and permanent geological storage, covering everything from waste incineration and biogas to direct air capture. The deadline for input is 06 August 2026.

Enova launched consultation on NOACCS, Norway's planned carbon capture and storage auction scheme, including DAC. The deadline for input is 06 August 2026.
info.enova.no/karbonfangst-h…

A coalition of environmental NGOs urged the EU to review Bio-CCS and biochar methodologies under the CRCF.
esgnews.com/environmental-…

Quebec's Bill 17 became law, establishing a framework for geological carbon storage in the province.
m.assnat.qc.ca/en/travaux-par…

Carbon180 released a US federal policy roadmap that provides federal policymakers with a suite of policy proposals to accelerate the deployment of technological CDR in the near-term & enable responsible growth over the long-term.
carbon180.org/tech-policy-ro…

Symbiosis Coalition and CrossBoundary released a Carbon Offtake Guide to help manage delivery risk in nature-based carbon removal agreements.
crossboundary.com/carbon-offtake…

American Forest Foundation, Beyond Alliance, and RMI released a framework to improve risk management for all carbon removal pathways.
rmi.org/resources/cont…
For more updates, subscribe to the Carbon Removal Updates Substack Newsletter:


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More from @geoengineering1

Jun 6
🚨Earth has a mysterious triple symmetry that may influence its climate

New research finds that a circle running along the 27° east & 153° west meridians divides the globe into 2 halves with equal reflectivity & this may have implications for #SolarGeoengineering schemes.🧵1/10 Image
2/ This study matters bcz Earth's reflectivity (albedo) controls how much solar energy stays in the climate system.

For decades, researchers knew the NH & SHemispheres reflect similar amounts of sunlight. But nobody had seriously looked for similar patterns across longitude.
3/ Using 25 years of satellite observations, researchers discovered that the 27°E meridian uniquely splits Earth into eastern & western hemispheres with almost identical reflected sunlight. Not 20°E. Not 40°E. Just one remarkably precise divide. Image
Read 12 tweets
Jun 5
🚨Monthly Solar Geoengineering Updates (May'2026)🚨

From Stardust’s SAI particle reveal to US Congress oversight calls, @ARIA_research funding, @UNEP report, EPRS governance briefing & UK public support for SRM research, key SRM headlines from May:🧵0/12

…largeoengineeringupdates.substack.com/p/monthly-sola…Image
Top 10 SRM Updates from May 2026

1️⃣ Stardust reveals SRM particle design:

Company discloses 0.5µm amorphous silica–based particles & calcium carbonate core–shell variants, deployed at ~18km altitude, targeting up to ~1% solar reflection with monitoring & dispersal systems.

1/ Image
2️⃣ US Congress requests @NOAA geoengineering briefing:

Lawmakers seek oversight on MCB & SRM research, citing governance gaps & transparency concerns.

2/ Image
Read 14 tweets
May 29
🚨A new @EarthsFutureEiC study tests an Arctic intervention: flooding winter sea ice with seawater to see if it can become thicker, brighter, and more resistant to summer melt.

The answer comes from a real field experiment in the Canadian Arctic.🧵1/11 Image
2/ The experiment was conducted in Cambridge Bay, Nunavut (Canadian Arctic) using a ~1 km² sea-ice field site.

Researchers divided the ice into control plots (no flooding) and treated plots (artificial flooding) to directly compare outcomes under identical conditions. Image
3/Process:

•Seawater was pumped from ocean
•Spread manually/with equipment over ice surface during winter
•H2O rapidly froze due to sub-zero air temp
•Process repeated in some plots multiple times over winter

Each flooding cycle added new frozen layer on top of existing ice Image
Read 13 tweets
May 22
🚨What if rocks could trap CO₂ faster than nature ever does, at the atomic scale?

A recent study reveals how water can dramatically accelerate CO₂ mineralization on mineral surfaces, unlocking faster long-term #CarbonStorage.

Details🧵1/9 Image
2/ For decades, scientists assumed CO₂ turns into stable carbonate rock through a slow, two-step process:

CO₂ dissolves in water → minerals dissolve → carbonates slowly form.

This made geological storage reliable, but extremely slow.
3/ But real-world observations didn’t fully match this slow picture.

In some environments, carbonate minerals form surprisingly quickly, suggesting an alternative, faster reaction pathway might exist.
Read 11 tweets
May 14
🚨Greenhouses can grow food in extreme climates, but they often depend on fossil-derived CO₂ inputs to maximize crop yields.

New study investigates whether Direct Air Capture (#DAC) could replace those emissions-intensive CO₂ sources by capturing C directly from air.🧵1/13 Image
2/ Researchers modeled a 1-ha sealed high-tech greenhouse in Jeddah, Saudi Arabia producing cherry tomatoes & lettuce under hot-arid conditions.

The system maintained ~1000ppm CO₂ conc, which are required to sustain high crop productivity in climate-controlled desert agri. Image
3/ The study evaluated two adsorption-based DAC systems:
• temperature-vacuum swing adsorption (TVSA)
• moisture-swing adsorption (MSA)

Both were benchmarked against conventional trucked liquid CO₂ enrichment currently used in commercial greenhouse operations
Read 15 tweets
May 8
🚨Monthly Solar Geoengineering Updates (April'2026)🚨

From EU calls for an #SRM deployment moratorium & WHO-linked health-centered governance report, to Stardust publishing its own SRM rules, key SRM headlines you need to know from past month:
🔗

🧵0/12 …largeoengineeringupdates.substack.com/p/monthly-sola…Image
Top 10 SRM Updates from April 2026

1️⃣ Stardust releases SRM “guiding principles”:

The private SRM company publishes voluntary rules and safety guidelines, but experts raise concerns over transparency, unknown aerosols, and private control of planetary-scale interventions.

1/12 Image
2️⃣ WHO-linked report calls for health-centered SRM governance:

A pre-print urges SRM governance centred on human health, equity, and Global South inclusion, stressing SRM must never replace emissions cuts (“non-substitution” principle).

2/12 Image
Read 14 tweets

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