Take a step-by-step walkthrough of how their solution works in a 🧵 below ⬇️
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1️⃣ "@ebbcarbon with aquaculture farms, desalination plants, ocean research labs, and other industrial sites that process seawater."
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2️⃣ "Ebb intercepts existing salt water flows at the facility and processes the water before it returns to the ocean."
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3️⃣ "Using low carbon electricity, Ebb run the salt water through a stack of ion-selective membranes that separate it into acidic and alkaline solutions."
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4️⃣ "Ebb measure and monitor the pH level and volume of the alkalinity we produce in real time. This enables us to safely return it at levels within the ocean's natural pH variance."
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5️⃣ "Ebb return the alkaline solution to the sea, where it immediately lowers the acidity of the sea water locally."
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6️⃣ "Over weeks to months, the alkaline solution reacts with dissolved CO2 in seawater to create bicarbonate (HCO3), a stable form of carbon storage for 10,000+ years."
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7️⃣ "With more CO2 locked away as bicarbonate, the ocean will naturally equilibrate and sequester more CO2 from the air. Ebb measures the CO2 removed from the air using sensors in the water and ocean and carbonate chemistry models."
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8️⃣ "By partnering with the ocean, Ebb Carbon has the potential to be one of the most energy efficient and cost effective ways to reverse the impacts of climate change both locally and globally."
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📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (24 March - 30 March 2025):
🔗:
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Stockholm Exergi announced its decision to build one of the world’s largest BECCS facilities, a $1.3B project set to remove ~800,000 tonnes of CO₂ annually and be operational by 2028.
Enhanced rock weathering startup @EionCarbon secured $33M carbon removal offtake deal with Frontier to remove 78,707 tons of CO₂ (2027–2030) by applying olivine on U.S. Midwest and South farmland.
🚨How do political affiliations shape attitudes toward #SolarGeoengineering?🚨
A conjoint experiment with 2,123 US voters finds that partisanship outweighs message framing—meaning who delivers the message matters more than what the message says.
DETAILS🧵1/9
2/ The discourse on SG as a climate solution is evolving, but public perceptions—especially in the polarized US landscape—remain underexplored. This study () examines how different narratives & partisan sources influence attitudes.nature.com/articles/s4416…
3/Researchers tested 3 SG narratives:
-Complementary: SG as an add-on to emissions cuts
-Substitutive: SG as a standalone climate solution
-Moral hazard: SG as a risky distraction
& the source(Democratic or Republican, researcher or podcaster) to simulate a realistic info env
📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (17 March - 23 March 2025):
🔗:
🧵0/21
BlueShift company that aims to unlock sustainable, domestic critical mineral supplies while providing affordable ocean carbon removal exited stealth with $2.1M in pre-seed funding.
Seattle-area startup Homeostasis has secured a $600,000 pre-seed investment to develop technology that removes atmospheric CO₂ and converts it into graphite, which has industrial uses.
Scientists at @NorthwesternU have developed a NEW carbon-negative building material using seawater, electricity & CO₂.
How does it work? And how much CO₂ can it store? Read on:🧵1/12
2/ This study expands on earlier research that focuses on storing CO2 in concrete [nature.com/articles/s4324…] & using electricity to treat seawater for cementing marine soils [nature.com/articles/s4324…].
Researchers are now injecting CO2 while applying electricity to seawater in lab.
3/ PROCESS
To generate the carbon-negative material, the researchers started by inserting electrodes into seawater & applying an electric current. The low electrical current splits water molecules into hydrogen gas (a clean fuel with various applications) & hydroxide ions.