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

Sep 2
🚨Researchers at the KAIST and the @MIT have developed a new fiber-based material that can capture CO2 directly from the air using only small amounts of electricity, potentially lowering the barriers to large-scale deployment of direct air capture (#DAC) technology.

DETAILS🧵1/8 Image
2/ DAC systems, which remove CO2 directly from ambient air, have long been hindered by their high energy requirements.

With atm CO₂ concentrations at less than 400ppm, vast volumes of air must be processed, typically requiring large amounts of heat.
3/ The joint team, led by Professor Ko Dong-yeon of KAIST & Professor T. Alan Hatton of MIT, overcame this limitation by designing an electrically conductive fiber adsorbent (ethylenediamine EDA-Y zeolite/cellulose acetate (CA) fiber) that heats itself through Joule heating. Image
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Aug 31
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (25 August - 31 August 2025):

🔗:

🧵0/20
Frontier signed a $31.3M deal with Planetary to scale ocean alkalinity enhancement, aiming to remove 115,211 tCO₂ at $270/t from 2026–2030.


1/20frontierclimate.com/writing/planet…
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2/20reuters.com/press-releases…
Read 22 tweets
Aug 27
🚨In a new study published in @OneEarth_CP, researchers reveal that human land activities have stripped away roughly 24% of terrestrial carbon stocks (equivalent to 344 billion metric tons of C), underscoring an urgent need to reframe land-use & climate policy.

Details🧵1/10 Image
2/ Plants + soils store more carbon than the atmosphere + all fossil reserves combined.

But farming, grazing, and forest use have stripped away this natural shield, turning land from a carbon bank into a carbon source.
3/ Researchers call this loss the terrestrial carbon deficit - the gap between what ecosystems could hold (‘potential’) vs. what they actually hold (‘actual’).

The shortfall? 344 PgC (24% of natural stocks). Image
Read 11 tweets
Aug 22
🚨Can aeosols counter AMOC collapse?

A NEW study suggests Stratospheric Aerosol Injection (#SAI) could help prevent the decline of the Atlantic Meridional Overturning Circulation (#AMOC), but only if aerosols are injected in the appropriate latitude & hemisphere.

DETAILS🧵1/12 Image
2/ The AMOC is a key component of Earth’s climate system, transporting heat and nutrients across the Atlantic.

Its decline, already underway, is projected to accelerate under global warming, possibly approaching a tipping point this century. Image
3/ Using CESM2(WACCM6), Bednarz et al. ran sensitivity experiments with SO₂ injections at latitudes from 45°S to 45°N.

Each scenario injected 12 Tg-SO₂/yr (2035–2069) to test how SAI location affects AMOC stability.
Read 13 tweets
Aug 21
🚨Enhanced Rock Weathering (#ERW) could remove up to 700 Mt CO₂ by 2070 in the UK if quarry production scales 5–10×.

Larger extraction sites boost efficiency but raise major social, logistical & policy challenges.

A new @CommsEarth study models the trade-offs.🧵1/11 Image
2/ ERW involves spreading crushed silicate rocks on croplands to capture CO₂.

While previous studies examined its chemistry & agronomic benefits, this work focuses on the supply chain: can the UK sustainably scale rock extraction to meet net-zero needs?
3/ The authors model deployment from 2025–2070 under 3 supply scenarios:

Low (32 Mt rock/yr), medium (97 Mt rock/yr) & high rock (166 Mt rock/yr) demand with variations in whether expansion relies on active, inactive, or new quarries. Image
Read 12 tweets
Aug 17
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (11 August - 17 August 2025):

🔗:

🧵0/19
Carbon removal company @equatic_tech raised $11.6M Series A led by Temasek Trust’s Catalytic Capital and Kibo Invest.

1/19
eco-business.com/press-releases…
Gevo, a US-based sustainable aviation fuel producer, generated $1 million in revenue from selling BECCS credits during the second quarter.


2/19qcintel.com/carbon/article…
Read 21 tweets

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