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May 25 27 tweets 8 min read Read on X
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (19 May - 25 May 2025):

🔗:

🧵0/24
@AltCarbonIndia secured $12 million in seed funding to scale its enhanced rock weathering operations in South Asia.

1/24
alt-carbon.com/press-releases…
JPMorgan signed 13-year deal with CO280 to remove 450,000 tons of biogenic CO₂ from a U.S. pulp mill at under $200/ton—one of the largest and lowest-cost CDR deals to date.

2/24
esgtoday.com/jpmorgan-signs…
Exomad Green signed a 10-year deal with Microsoft to remove 1.24M tons of CO₂ using biochar. It’s the biggest biochar deal and one of the largest carbon removal agreements ever.

3/24
carbonfuture.earth/magazine/exoma…
Emissions Reduction Alberta has launched the $50M Industrial Transformation Challenge 2025 to fund emissions-cutting tech, including BECCS and other carbon removal solutions. Proposals are due by July 23.

4/24
eralberta.ca/funding-techno…
@terrasetclimate has launched the Terraset Revolving Fund—a new early-stage financial mechanism that recycles donor capital to scale the carbon removal market.


5/24open.substack.com/pub/terraset/p…
EcoVadis moved from buying carbon offsets to investing in biochar, supporting a project in Spain that turns olive waste into a way to store carbon and improve soil, through Supercritical’s platform.

6/24
biochartoday.com/2025/05/20/bey…
CO2 Lock and EmitIQ partnered to sell up to 33% of carbon credits from the carbon sequestration project in BC, aiming to generate over 300,000 verified credits annually for permanent CO₂ removal.

7/24
newsfilecorp.com/release/252784…
Ocean wildlife restoration company Positive Polar has ventured into combining cruise ship travel with marine carbon dioxide removal research, converting a cruise vessel into a floating research lab.

8/24
carbonherald.com/positive-polar…
Syntopa, Inc., a biotech startup, won a Phase I NSF SBIR grant to develop a microbial platform accelerating carbon removal through enhanced rock weathering, boosting soil fertility and farm productivity.

9/24
einpresswire.com/article/813497…
Airex Energy, Groupe Rémabec, and SUEZ launched Carbonity, Canada’s first industrial-scale biochar plant in Port-Cartier, with 10,000 tonnes annual capacity, set to triple by 2026.

10/24
newswire.ca/news-releases/…
Aircela unveiled the first U.S. fridge-sized machine in NYC that converts direct air captured CO₂ into fossil-free gasoline.

11/24
globenewswire.com/news-release/2…
Cool Effect has expanded its portfolio of carbon removal offerings with a direct air capture initiative called Project Juniper, developed by Clairity Technology.

12/24
businesswire.com/news/home/2025…
AspiraDAC and Great Carbon Valley signed an MoU to develop a solar-powered Direct Air Capture project in Kenya, aiming to capture and store 5,000 tons of CO₂ annually, with potential for larger future scale-ups.

13/24
linkedin.com/posts/aspirada…
Microsoft to purchase up to 700,000 nature-based carbon credits through 2035 from Climate Asset Management’s forestry project in Washington State.

14/24
esgnews.com/microsoft-secu…
Riverse has partnered with Klimate.co to streamline access to vetted carbon removal credits, boost project transparency, and scale climate solutions.

15/24
linkedin.com/posts/riverse_…
DWF partnered with Climate Impact Partners to launch the ‘DWF Forest’ in Scotland, aiming to cut emissions 90% and offset the remaining 10% via carbon removals from the Broadmeadows woodland project.

16/24
climateimpact.com/news-insights/…
@ClimeFiHQ has announced a new data partnership with CrystalTrade – a platform for digital monitoring, reporting, and verification (dMRV) of CDR.

17/24
climefi.com/blog-posts/cli…
Verde Resources and C-Twelve established a 10-year exclusive partnership to commercialize low-carbon asphalt technology across the United States.

18/24
finance.yahoo.com/news/verde-c-t…
CUR8 has launched its first-of-a-kind offtake financing product to help address one of the major barriers in the CDR industry.

19/24
cur8.earth/supplier/finan…
@Isometric_HQ has certified the first-ever protocol for carbon removal via River Alkalinity Enhancement (RAE).

20/24
isometric.com/writing-articl…
The UK government has initiated an independent review of CDR technologies, including DAC and BECCS to assess their role in achieving net-zero emissions by 2050. Respond by 20 June 2025

21/24
gov.uk/government/cal…
@carbon_180 announced the launch of the Making Waves Ocean CDR regranting initiative, offering $100K grants to marine-focused nonprofits to explore and advance ocean-based carbon removal projects. Applications close June 20, 2025.

22/24
docs.google.com/forms/d/e/1FAI…
@Carbon_Direct, in collaboration with Microsoft, has published a first-of-its-kind guide to high-quality environmental attribute certificates for low-carbon concrete and steel.

23/24
carbon-direct.com/research-and-r…
A recent review of 20 North American forest carbon protocols found 86.7% are too weak to guarantee high-quality, reliable carbon credits.

24/24
forestcarbonprotocols.org
For more details, subscribe to the Carbon Removal Updates Substack Newsletter:
carbonremovalupdates.substack.com
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More from @geoengineering1

May 27
🚨🗓Carbon Removal Events Calendar by Andrew Lockley!🗓🚨

Here's a list of what's coming up this week (27 May - 03 June 2025) in the field of #CarbonDioxideRemoval:

🔗:

🧵1/15 teamup.com/kshqbfhrqkw36s…Image
EVENT—This is CDR: Avnos' Water-Positive, Hybrid Direct Air Capture with Will Kain by @openaircollect

🗓27 May 2025 | Online
🔗lu.ma/xw0eh18o
EVENT—A European CDR Purchasing Programme by CDR Policy Scoop

🗓27 May 2025 | Online
🔗linkedin.com/events/aeurope…
Read 16 tweets
May 23
🚨Can a single particle both reflect sunlight and capture CO₂—offering a two-in-one tool for climate intervention?🚨

In a new study [preprint], researchers tested the idea with zeolite aerosols. Here's what they found:🧵1/6

#SolarGeoengineering #CDR #ClimateTech Image
The concept: Inject aerosols into the stratosphere that not only reflect sunlight (like standard #SAI) but also adsorb CO₂ from the air.

Zeolites, known for their CO₂-trapping ability, seemed like a candidate for this dual function. Image
But stratospheric conditions are harsh:

•~0.05 atm pressure

•Very low temperatures

Under these conditions, zeolites lose over 99.97% of their CO₂ adsorption capacity compared to ground-based DAC, finds the study. Image
Read 7 tweets
May 21
🚨AstroCool is a proposed emergency geoengineering plan by inventor David Chaum.

It involves mining moon dust & launching it into a space orbit between the Sun & Earth to shade the planet & restore pre-industrial temperatures.🧵1/12

#SRM #SolarGeoengineering #ClimateSolutions Image
2/ AstroCool (the “Plan X” initiative) was unveiled by Chaum as a backup climate fix.

It proposes using centrifugal lunar launchers and robotic “droid” satellites to fling regolith into the Sun–Earth L1 point, creating a sunshade that cuts incoming sunlight. Image
3/ Scientists note lunar dust is unusually well-sized for this purpose:

Chaum explains most of the Moon’s surface is covered in ~0.2 µm grains “perfect for blocking light”. Image
Read 13 tweets
May 20
🚨🗓Carbon Removal Events Calendar by Andrew Lockley!🗓🚨

Here's a list of what's coming up this week (20 May - 26 May 2025) in the field of #CarbonDioxideRemoval:

🧵1/17 Image
EVENT—2025 Annual Convening by Carbon to Sea Initiative

🗓19-21 May 2025 | Washington
🔗

2/17carbontosea.org/2025-convening/
EVENT—How to finance large-scale deployment of carbon farming? by EU

🗓20 May 2025 | Online & Brussels
🔗

3/17marketingform.deloitte.fr/l/138941/2025-…
Read 19 tweets
May 18
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (12 May - 18 May 2025):

🔗:

🧵0/23
Riverse has secured €5 million in seed funding to expand its carbon crediting platform for engineered CDR.

1/23
riverse.io/blog/carbon-cr…
Carbon Cell raised £1.2M to scale biochar-based low-carbon foam, supporting carbon removal by locking CO2.

2/23
sustainabletimes.co.uk/post/carbon-ce…
Read 26 tweets
May 15
🚨NEW STUDY: We could trap 18 billion kilos of CO₂ a year by tweaking how we treat our wastewater.

How? By adding alkaline rocks like olivine—turning treatment plants into climate allies. A quick thread🧵1/7

#CDR #CarbonRemoval #ClimateSolutions Image
2/ Carbon dioxide removal is about pulling CO₂ out of the air and locking it away.

One such technique, OAE, helps the ocean absorb more CO₂ by increasing its alkalinity, which reduces surface ocean acidity. Image
3/ This study tested something new: adding olivine-rich rock to urban wastewater before it hits the ocean.

The result? A big jump in both alkalinity and CO₂ capture in the treated water. Image
Read 8 tweets

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