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Apr 19 3 tweets 7 min read Read on X
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (13 April - 19 April 2026):

📺:

🧵1/
EU approved €5B for climate projects in Germany and Czechia, funding peatland restoration for CDR, biomethane, and clean energy.
esgtoday.com/eu-approves-e5…

Exomad Green and Supercritical signed a 500,000t biochar CDR deal.
esgtoday.com/exomad-green-s…

Novocarbo secured a long-term CDR deal & renewable heat agreement with Stadtwerke Dessau.
mynewsdesk.com/de/novocarbo/p…

Mast Reforestation sold out MT1 biomass burial credits with major buyers like Bain and BMO.
finance.yahoo.com/sectors/energy…

U.S. DOE reinstated up to $1.2B for carbon removal projects, including two DAC hubs targeting 2Mt CO₂/year.
reuters.com/legal/litigati…

MAX Burgers purchased 1,000-year biocarbon storage credits from Sweden’s first certified project.
max.se/om-max/pressru…

Mangrove Systems acquired Grain Ecosystem assets to expand its biochar MRV platform.
esgnews.com/mangrove-syste…

Google launched a California wetland restoration project as a CO₂ removal “living lab.”
blog.google/company-news/o…

Maryland passed legislation supporting biomass-based CDR technologies.
qcintel.com/carbon/article…

Climate Vault added Cowboy Clean Fuels’ Wyoming project to its CDR portfolio.
carboncapturemagazine.com/articles/clima…

@BeZeroCarbon expanded into Japan with Tokyo Metropolitan Government support.
bezerocarbon.com/insights/bezer…

CHAR Technologies acquired a Québec biocarbon facility and secured long-term offtake.
biochartoday.com/news/char-tech…

Deloitte launched an EU survey to design a carbon farming Buyers’ Club under CRCF. Deadline: 26 May 2026
ec.europa.eu/eusurvey/runne…

EPA issued a second-ever MPRSA permit for a mCDR pilot in Louisiana.
carbonherald.com/the-us-epa-iss…

Remove Accelerator selected 12 startups for Africa Carbon Removal Cohort 2.
linkedin.com/posts/remove-a…

Microsoft denied ending CDR purchases, citing only a slower, disciplined buying pace.
spglobal.com/energy/en/news…

Switzerland reported industrial CDR in its national GHG inventory for the first time.
bafu.admin.ch/en/latest-ghg-…

@cdr_fyi has released a market snapshot comparing Microsoft’s activity with Frontier-linked and other buyers.
cdr.fyi/blog/durable-c…

Carbon to Sea opened applications for an ocean alkalinity enhancement modeling workshop. Applications close 24 April 2026
carbontosea.org/2026/04/13/oae…

Carbon Removall launched its 2026 RFP for carbon removal projects. Deadline: 29 May 2026
…vall-carbon-25821996.hs-sites-eu1.com/removall-2026-…

@carbon_180 released CORE framework for equitable and transparent CDR.
carbon180.org/initiative/cor…

EU published guidance for cities on using CDR strategies.
op.europa.eu/en/publication…

European Marine Board report highlighted major MRV gaps in marine CDR standards.
marineboard.eu/publications/M…
For more updates, subscribe to the Carbon Removal Updates Substack Newsletter:


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More from @geoengineering1

Apr 16
🚨A new study details that the climate value of algae & cyanobacteria lies not in CO₂ uptake alone, but in their capacity to generate long-lived, chemically recalcitrant C compounds, such as algaenan & carbonates that may contribute to durable sequestration pathways.

🧵1/11 Image
2/ The study adopts a conceptual synthesis framework, integrating biochemical & geochemical evidence to examine carbon fate post-photosynthetic fixation, moving beyond uptake rates to study the thermodynamic and structural persistence of biogenic carbon. Image
3/ It constructs a functional distinction between:

1) Labile carbon fractions, which are rapidly cycled through microbial respiration

2) Recalcitrant fractions, which resist degradation & contribute to long-term carbon storage across terrestrial & marine systems.
Read 12 tweets
Apr 3
🚨🗞️Monthly Solar Geoengineering Updates (March'26 Edition)🗞️🚨

From UN review of #SRM tech & its human rights impacts, to US organizations resisting SRM bans, plus new tools & research awards – SRM headlines you need to know from the past month:🧵1/13

🔗 …largeoengineeringupdates.substack.com/p/monthly-sola…Image
🚨Top 10 SRM Updates from March 2026:

1️⃣ @OHCHR_MENA seeks input on climate technologies - The UN Human Rights Office is collecting submissions on how SRM & CDR may impact human rights, with a report due later this year.

2/13 Image
2️⃣ US National Security Framing – ACCF report urges federal research and international governance to prevent rivals from gaining strategic advantage.

3/13 Image
Read 14 tweets
Apr 1
🚨Direct air capture (#DAC) using amine-based sorbents is one of the "most promising ways" to remove CO₂, but a core challenge remains: the materials degrade over time, raising costs and limiting scale.

A new study examines why that happens and how to fix it.🧵1/12 Image
2/ Degradation here means any chemical or physical change that reduces CO₂ uptake or increases energy needed for regeneration.

Over time, even small losses compound, turning a promising material into a costly bottleneck.
3/ The paper highlights that degradation is not a single process.

It emerges from a combination of oxidative, thermal, and environmental pathways, each interacting with the sorbent’s molecular structure in different ways. Image
Read 14 tweets
Mar 26
🚨New research from WashU shows that diamond dust, long proposed as an ideal solar geoengineering (#SRM) material for #SAI, may lose much of its cooling potential when real-world chemistry & manufacturing constraints are taken into account.

DETAILS🧵1/11 Image
2/ Solar geoengineering, particularly stratospheric aerosol injection (#SAI), seeks to mimic volcanic cooling by dispersing reflective particles into the upper atmosphere, reducing incoming solar radiation and temporarily offsetting warming.
3/ Sulfate aerosols (from volcano-like approaches) can cool the planet, but they come with risks: acid rain, ozone damage, and health impacts.

So scientists have been searching for safer alternatives like diamond.
agupubs.onlinelibrary.wiley.com/doi/10.1029/20…
Read 13 tweets
Mar 18
🚨Where should Direct Air Capture (#DAC) be deployed to scale carbon removal?

New research shows: costs are driven less by the technology itself and more by location, climate, and energy systems, making DAC a fundamentally geo-dependent solution.

Details🧵1/10 Image
2/ DAC needs to scale to 0.5–5 GtCO₂/year by 2050, yet current capacity is ~0.00004 Gt.

Scaling requires massive cost reductions, and smart siting.
3/ The study evaluates two leading approaches:
• Solid sorbent DAC (S-DAC)
• Liquid solvent DAC (L-DAC)

Using global, high-resolution data on weather and renewable energy availability.
Read 12 tweets
Mar 12
🚨Could massive volcanic events trigger natural carbon dioxide removal (#CDR)?

New study suggests that during the Emeishan supervolcanic eruptions (~260M yrs ago), enhanced weathering of uplifted rocks removed huge amounts of atm CO₂, cutting levels nearly in half.

How?🧵1/11 Image
2/ Large igneous provinces (LIPs) are among the largest volcanic events in Earth’s history, typically releasing huge volumes of lava over 1-5 million years.

They’re widely thought to drive CO₂ spikes, warming, and environmental crises through massive volcanic degassing.
3/ To test this assumption, researchers reconstructed atmospheric CO₂ levels across the Emeishan volcanic episode using carbon isotopes from chlorophyll-derived biomarkers preserved in marine sediments from the Shangsi section in China.
Read 13 tweets

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