Geoengineering Info Profile picture
May 27, 2023 12 tweets 10 min read Read on X
🚨📝NEW PAPER 📝🚨

Recent study present an analysis of “the gap between the CO2 storage required to meet net zero targets and the slow maturation of regional storage resources.”

#NetZero
#EuropeanGreenDeal
#CarbonDioxideStorage
#EnergyTransition

🧵 1/12 ImageImage
Researchers estimate that “European storage rates need to boost 30-100x by 2030 to meet #NetZero by 2050. 🇨🇳 & North America face a similar challenge. The slow global progress of #CarbonStorage undermines the latest IPCC, IEA & EU transition pathways to net zero by 2050.”
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“These pathways imply a radically in teased demand for carbon capture and storage & #NegativeEmissionTechnologies (#NETs), contributing 500 of 700 megatonnes of #CarbonDioxideRemoval annually by 2050.”
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Here, scientists of this study investigate “if sufficient #storage can be developed in time. China 🇨🇳 (30%), (15%) and Europe 🇪🇺(10%) dominate global #emissions.”

In this study, “Europe was chosen as a data-rich exemplar.” 
4/12
“Assuming #NetZero in 2050, researchers back-calculate the #storage required under 3️⃣ scenarios of low, medium, and high #CCS demand.”
5/12
“Even the low demand scenario requires 0.2 Gt of #storage by 2030, increasing to 1.3 Gt by 2050. The moderate & high demand scenarios require 5-8 Gt by 2050. The current #CarbonStorage rate in #Europe is 0.001 Gt/yr.”
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So, “there is a huge gap btw policy demand & #storage supply. Adaptation of existing #hydrocarbon tech has the potential to close this gap, with CCS for the entire EU requiring less than half the historic rate of HC exploration & development in UK North Sea from 1980-2010.”
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“Counter to expectation, #storage cannot be delivered by exponential growth but requires an early & sustained investment of 30-50 boreholes per year starting before 2030 to build sufficient capacity,” researchers affirmed.
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“A 5-year lead-time to identify & mature prospects needs policy intervention before 2025. Continued policy deferral will lock Europe into a low CCS pathway that restricts the contribution of #NETs at a potential cost of €100 billion for every gigatonne delayed beyond 2050.”
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According to this research, “North America & China require similar policy intervention to close the gap on #CarbonStorage and #NetZero.”
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To get more information on the research entitled: "Mind the gap: will slow progress on carbon dioxide storage undermine net zero by 2050?" (Preprint) visit ⬇️
📖📝➡️eartharxiv.org/repository/vie…

#NetZero
#EuropeanGreenDeal
#CarbonDioxideStorage
#EnergyTransition

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More from @geoengineering1

Nov 5
🚨 The Royal Society has published a new briefing today finding that techniques to reflect a small portion of sunlight back into space (#SRM) could help lower global temperatures if deployed worldwide, but cannot replace emissions cuts or fully address climate impacts.

🧵1/7 Image
2/ ➝ The report reviews solar radiation modification (#SRM) approaches, including stratospheric aerosol injection (#SAI) and marine cloud brightening (#MCB), outlining their potential to temporarily reduce warming and associated risks.
3/ ➝ It notes that SRM would only mask the effects of GHG emissions and would not address issues such as ocean acidification.
Read 8 tweets
Oct 31
🚨🌲 New research reveals that even intact boreal forests, some of the planet’s strongest natural carbon sinks, lose their ability to absorb CO₂ as they age.

Here’s what the scientists found & why it matters for our climate models🧵1/9 #CarbonSink #CarbonRemoval Image
2/ Boreal forests cover vast regions across Canada, Russia, and Scandinavia and store enormous amounts of carbon in trees and soil.

They’re often seen as stable, long-term carbon sinks, but this study challenges that assumption with new global-scale data.
3/ Using seven global Net Ecosystem Productivity (NEP) datasets and a high-resolution forest age map, researchers tracked how C uptake changes as forests grow older.

They used a space-for-time substitution method, comparing forests of different ages to infer long-term trends. Image
Read 10 tweets
Oct 29
🚨A major 6-country survey (N=5,310) finds Europeans support -ve emissions to meet climate goals, but strongly prefer nature-based solutions like afforestation over engineered options like Direct Air Capture. Trust hinges on benefits for nature & future generations.

🧵1/10 #CDR Image
2/ When allocating how to tackle emissions, respondents clearly prioritized immediate mitigation:

• Renewables: 37.3%
• Behavior change: 24.0%
• Nuclear: 20.2%
• NETPs: 18.5%

➡️ This shows people support #CDR, but believe deep emissions cuts must come first. Image
3/ So which NETPs do they support most?

2 approaches were evaluated:
🌲Afforestation/Reforestation (AR)
🏭Direct Air Capture + Carbon Storage (DACCS)

AR scored +1.91 vs DACCS +0.64

➡️ This means people are 4.36× more likely to support forests as the favored way to remove CO₂. Image
Read 11 tweets
Oct 22
🚨A new study warns that efforts to cool the planet through stratospheric aerosol injection (#SAI) could face far greater challenges than models predict, from unpredictable monsoon shifts to material shortages & engineering limits, every step adds new risks.

🧵1/8 #SRM Image
2/ The authors explore both micro-level (engineering) and macro-level (governance & supply) factors that could restrict feasible deployment.

Key finding: these constraints could drastically raise costs, risks, and uncertainty, especially for “solid” (non-sulfate) aerosols.
3/ Traditional SAI uses sulfate aerosols (like volcanoes).

But alternatives, CaCO₃, TiO₂, Al₂O₃, ZrO₂, even diamond, promise less ozone damage.

Yet producing, aerosolizing, and dispersing these solids in submicron form is technically daunting. Image
Read 9 tweets
Oct 19
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (13 October - 19 October 2025):

📺:

🧵1/25
Nordbex and Aker Solutions signed an MoU to develop Bio-CCUS plants across Europe.
mynewsdesk.com/se/nordbex-ab/…
Bain & Company has partnered with ZeroEx to scale up enhanced rock weathering projects.
qcintel.com/carbon/article…
Read 25 tweets
Oct 17
🚨Scientists built a device that captures carbon from the seawater and turns it into biodegradable plastic, using bacteria as a living bioreactor.

#CDR #mCDR #CarbonDioxideRemoval #Bioplastics

DETAILS🧵1/8 Image
2/ The system comprises 3 components:

1️⃣ C extraction

Traditional seawater electrolysis systems often fail within hours due to mineral buildup

To solve this, researchers designed a solid-state electrolysis unit that isolates sensitive ions using membranes & a solid electrolyte Image
3/ The modified design acidifies H2O, converting dissolved C (mainly bicarbonate & carbonate ions) into CO₂ gas for collection.

The prototype operated continuously for 22 days, processing 177 liters of seawater & extracting 6.54L of CO₂, with an energy use of 3 kWh/kg of CO₂.
Read 9 tweets

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