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Jun 15 β€’ 20 tweets β€’ 6 min read β€’ Read on X
πŸ“πŸ’‘π–πžπžπ€π₯𝐲 𝐂𝐃𝐑 𝐇𝐒𝐠𝐑π₯π’π π‘π­π¬πŸ’‘πŸ“

πŸ“° Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (09 June - 15 June 2025):

πŸ”—:

🧡0/17
@InSoilClimate secured its largest funding to date through a €100 million agreement with Key Carbon, accelerating regenerative agriculture and carbon credit generation across Europe.

1/17
insoil.com/blog/2025/06/1…
Canada Nickel partnered with NetCarb to scale mineral carbon sequestration at Crawford. NetCarb's tech could boost COβ‚‚ uptake 10‑fold to 10–15β€―Mt/year, vs 1.5β€―Mt via Canada Nickel's proprietary IPT Carbonation.

2/17
prnewswire.com/news-releases/…
Pegasus Capital plans to invest up to $20M in Partanna to scale COβ‚‚-negative building materials and coastal resilience solutions.

3/17
carbonherald.com/pegasus-capita…
Phlair and Waldegg signed a multi-year deal to deliver permanent engineered carbon removals via advanced direct air capture tech.

4/17
phlair.com/news/waldegg-e…
@Boomitra expands to Costa Rica with a grassland project aiming to sequester 170,000β€―tβ€―COβ‚‚ annually via regenerative agriculture and carbon finance.

5/17
carbonherald.com/boomitra-launc…
Pacific Biochar partnered with Isometric to launch high-quality biochar credits, including its Humboldt Sawmill project removing 10,000+β€―tβ€―COβ‚‚/year.

6/17
isometric.com/writing-articl…
@capturaCO2 launched its new 30,000 sq ft global HQ in Pasadena, which will also serve as a manufacturing hub for its ocean-based COβ‚‚ capture tech.

7/17
capturacorp.com/captura-hq-and…
@Ocean_Visions chose Fugro to lead the first full framework for assessing risks and impacts of marine carbon dioxide removal.

8/17
marinetechnologynews.com/news/fugro-oce…
The 4 Corners Carbon Coalition launched a U.S. Community Carbon Removal Purchasing Challenge to spur local leadership in CDR.

9/17
carbonherald.com/introducing-th…
CapitalT partnered with @cur8earth to invest in curated carbon removal projects and neutralize its annual emissions footprint.

10/17
carbonherald.com/capitalt-to-ne…
@Nasdaq and @airminers launched the Carbon Academyβ€”an online course for professionals on carbon removal tech, markets, and credit buying.

11/17
nasdaq.com/carbon-academy
Puro.earth opened a public consultation on a new methodology called Microalgae Carbon Fixation and Sinking Methodology for marine carbon dioxide removal (deadline: 02 July).
carbonherald.com/puro-earth-sta…

12/17
@gosupercritical released a report with key guidelines for structuring long-term biochar offtake deals to boost market growth.


13/17…023219.fs1.hubspotusercontent-eu1.net/hubfs/25023219…
CEEZER's new whitepaper details how to evaluate biochar credits, focusing on permanence, co-benefits, and market trends.

14/17
insight.ceezer.earth/biochar-for-ca…
The Innovation Booster CDR released a Swiss snapshot report summarizing current CDR activity from surveys and interviews.


15/17cdr-booster.ch/_files/ugd/5e2…
New research highlights that both nature-based and tech CDR are essentialβ€”nature scales cheaply, tech ensures permanence.

16/17
tandfonline.com/doi/full/10.10…
A new study warns that some CDR methods could worsen ocean deoxygenation, stressing the need for careful impact assessment.


🧡17/17iopscience.iop.org/article/10.108…
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carbonremovalupdates.substack.com
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More from @geoengineering1

Jun 16
🚨Tired of drowning in climate science papers?

🎧 Remove & Reflect Podcast does the digging for youβ€”turning research & reports into short, sharp episodes on #CDR & #SRM.

YouTube:youtube.com/@removeandrefl…

Spotify:open.spotify.com/show/0dxuwkOuH…

Check out some must-listen episodes:🧡1/12
This episode dives into a radical proposal: using a buried nuclear explosion on the seafloor to break up basalt & speed up carbon removal via Enhanced Rock Weathering. The goal? Sequester 30 years of global CO2.

2/12
This episode unpacks a preprint by Hosea Olayiwola Patrick drawing lessons from COVID-19 for solar geoengineering.

3/12
Read 13 tweets
Jun 11
🚨A new study [preprint] shows that injecting sulfur at 50km could make #SolarGeoengineering much safer.

It cools the planet more effectively, speeds ozone recovery & avoids stratospheric disruptions. This could be done using a fleet of clean, reusable H2 rockets.

DETAILS🧡1/10 Image
2/ SAI involves spraying SOβ‚‚ into stratosphere, where it forms aerosols that reflect sunlightβ€”cooling Earth. It mimics volcanic eruptions like Mt. Pinatubo (1991), which temporarily cooled the planet.

But current β€œSAI models” inject SO2 at a rate of 10 Tg/yr at ~25km altitude.
3/ But Injecting at 25 km creates problems

Aerosols accumulate in the tropical lower stratosphere, causing up to 6Β°C warming in that layer.

This disturbs jet streams, increases stratospheric water vapor, and delays the ozone layer’s recoveryβ€”by 25–55 years in Antarctica. Image
Image
Image
Read 11 tweets
Jun 8
πŸ“πŸ’‘π–πžπžπ€π₯𝐲 𝐂𝐃𝐑 𝐇𝐒𝐠𝐑π₯π’π π‘π­π¬πŸ’‘πŸ“

πŸ“° Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (02 June - 08 June 2025):

πŸ”—:

🧡0/21
@capture_air raised $50M in Series A funding to scale its California-based DAC tech.

1/21
carbonherald.com/aircapture-sec…
UK fintech Wise pledged Β£500K to support nature-based and hybrid CDR in Latin America and Asia-Pacific.



2/21carbon-pulse.com/404067/
Read 24 tweets
Jun 6
🚨A new study has revealed for the first time that ancient carbon, stored in landscapes for thousands of years or more, can find its way back to the atmosphere as COβ‚‚ is released from the surfaces of rivers at a rate of 1.2 billion tonnes per year.

Details🧡1/8 Image
2/ To understand the true source of river COβ‚‚, researchers compiled a global dataset of 1,195 radiocarbon measurements of dissolved inorganic carbon (DIC), COβ‚‚ & CHβ‚„ from rivers & streams.

This let them determine whether the emitted carbon was modernβ€”or much older. Image
3/ Using radiocarbon signatures (¹⁴C), they found that 59% of river COβ‚‚ emissions come from "old" Cβ€”millennia-old soil carbon & even petrogenic carbon (rock-derived, >55,000 years old)

Only ~41% came from recent biological sources like plants & microbes (decadal carbon). Image
Read 9 tweets
Jun 3
πŸš¨πŸ—“Carbon Removal Events Calendar by Andrew Lockley!πŸ—“πŸš¨

Here's a list of what's coming up this week (03 June - 09 June 2025) in the field of #CarbonDioxideRemoval:

πŸ”—:

🧡1/13 teamup.com/kshqbfhrqkw36s…Image
EVENTβ€”Carbon Removal Summit: Business Value in a Shifting Landscape by CUR8 Events

πŸ—“03 June 2025 | London, England
πŸ”—

2/13lu.ma/hn94fhf4
EVENTβ€”Mastering Carbon Credit Contracts for Corporate Buyers and Suppliers by Ceezer

πŸ—“03 June 2025 | Online
πŸ”—

3/13insight.ceezer.earth/mastering-carb…
Read 14 tweets
Jun 1
πŸ“πŸ’‘π–πžπžπ€π₯𝐲 𝐂𝐃𝐑 𝐇𝐒𝐠𝐑π₯π’π π‘π­π¬πŸ’‘πŸ“

πŸ“° Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (26 May - 01 June 2025):

πŸ”—:

🧡0/21
Gresham House raised Β£500M to expand UK forestry and carbon removal, targeting 4.7M tonnes of COβ‚‚ via nature-based credits.

1/21
esgnews.com/gresham-house-…
Biochar firm TOWING raised Β₯1.94B (~$12M) in Series B to scale its high-performance carbon removal tech.

2/21
prtimes.jp/main/html/rd/p…
Read 23 tweets

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