Geoengineering Info Profile picture
May 19, 2023 7 tweets 5 min read Read on X
🚨NEW STUDY🚨

"#NegativeEmissionsTechnologies are needed to achieve #NetZero emissions, but their deployment will depend on regional & national circumstances, technology availability, & decarbonization strategies."

In this regard, a new study is done. Details below in a 🧵
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The recent paper reviews "the literature and maps the role of Process Integration (PI) in #NETs deployment."
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"Techniques such as mathematical programming, pinch analysis (PA), process graphs (P-graphs), are powerful methods for planning #NET systems under resource or footprint constraints."
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"Other methods such as multi-criteria decision analysis (MCDA), marginal abatement cost curves, causality maps, and machine learning (ML) are also discussed," in this study.
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"Current literature focuses mainly on bioenergy with carbon capture and storage (#BECCS) and afforestation/reforestation (#AR), but other #NETs need to be integrated into future models for large-scale #decarbonization," study found.
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Read the open-access paper study entitled: "Optimization and decision support models for deploying negative emissions technologies" here ⬇️
journals.plos.org/sustainability…

#NegativeEmissionsTechnologies
#NETs

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More from @geoengineering1

Jul 21
🚨Solar Geoengineering (#SRM) may seem cheap (~$18B/yr) to cool the planet, but when you factor in societal risks, political instability & sudden climate rebounds, the true cost may far exceed technical estimates from both moral & practical standpoints, says a new study.

🧵1/11 Image
2/ SRM often gets touted as cheap even “pennies per ton” compared to the hundreds of $/ton needed for large-scale CDR.

But these estimates usually ignore the real-world costs of deploying SRM in a politically fractured and climate-damaged world.
3/ The authors outline four cost domains that traditional SRM estimates often miss:

1️⃣ Compensation for harms
2️⃣ International coordination
3️⃣ Domestic political feasibility
4⃣ Termination Shock

Each could add major financial & political costs. Details below: Image
Read 12 tweets
Jul 20
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (14-20 July 2025):

🔗:

🧵0/23
Frontier facilitated $1.75M in CDR purchases from Karbonetiq, Limenet & pHathom for buyers including Stripe, Shopify & Google.


1/23frontierclimate.com/writing/summer…
SeaO2, in collaboration with TU Delft, University of Twente, and NERA secured nearly $2M for a seawater-to-e-SAF project via TKI Energy and Industry program.


2/23siliconcanals.com/seao2-and-part…
Read 25 tweets
Jul 17
🚨Global talk on #SolarGeoengineering is heating up but Latin America’s barely in the room.

A new study analyzes the #MakeSunsets case in Mexico & shows why Latin America & the Caribbean need urgent, inclusive SRM governance to prevent risks & protect real research.🧵1/8 Image
2/ With climate risks growing, solar radiation modification is gaining attention globally.

Yet in the Latin America & the Carribean (LAC) region, it's still a marginal topic, largely absent from political agendas, public debate, and regulatory systems.
3/ In 2023, a US-based startup called Make Sunsets released SO2 over Baja California without local approval, triggering outrage & prompting Mexico to ban SRM experiments.

The incident highlighted gaps in governance and ethical oversight.
Read 9 tweets
Jul 15
🚨🗓Carbon Removal Events🗓🚨

Here's a list of what's coming up this week (08 July - 21 July 2025) in the field of #CarbonDioxideRemoval:

🔗:

🧵1/17 teamup.com/kshqbfhrqkw36s…Image
EVENT—This is CDR: Divert, Transform, Apply – How BioForceTech is Removing CO2 by Turning Wastewater Sludge into Aggregate by @openaircollect

🗓15 July 2025 | Online
🔗

2/17lu.ma/4mr8gbc9
EVENT—What’s Hot in Carbon Removal – A Peek into the Future of Climate Tech by @airminers

🗓15 July 2025 | Online
🔗

3/17lu.ma/qcfpipnt
Read 18 tweets
Jul 13
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (07-13 July 2025):

🔗:

🧵0/23
Frontier signed a $41M deal with Arbor for 116,000 tCO₂ removals (2028–2030).

1/23
frontierclimate.com/writing/arbor
Five UK cement & lime firms raised £60M to build the world’s largest cement CCS plant, creating 12,500 jobs.

2/23
constructionenquirer.com/2025/07/07/60m…
Read 25 tweets
Jul 11
🚨Georgia Tech researchers have developed a low-cost method to pull CO₂ from the air (#DAC) using cold temperatures and common materials, potentially slashing capture costs to ~$70 per ton and expanding where Direct Air Capture can work. #CDR

DETAILS🧵1/9 Image
2/ DAC is a critical tool for fighting climate change, but it’s been too expensive to scale.

Current systems often exceed $200 per ton of CO₂ captured, partly due to the high energy needed to run them.
3/ The Georgia Tech team found a smart way to tap into existing industrial cold from liquefied natural gas (LNG) terminals.

When LNG is regasified for use, huge amounts of cold energy are wasted (energy that can chill air for better CO₂ capture).
Read 10 tweets

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