JH
Texas A&M University, College Station
Grass selection and soil amendment chosen for what a lawn will hold.
In developmentUniversity
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Receive a weekly email digest of the latest carbon capture technologies added by the network.Browse 596 solutions in carbon capture & sequestration on the Halo network
Updated Sept 29, 2026
Carbon capture and sequestration covers taking CO2 out of the air, and keeping it out. On Halo, the solutions cover carbon into soil and managed land, algae taking up CO2, rooftop and surface capture, and measuring soil carbon. Sign up to search the full network and post your specific need.
Carbon into soil and managed land
JH
National Root Crops Research Institute
Sequestration approaches worked out for lawns and gardens specifically.
Sponsored researchIn developmentUniversity
MK
Universidade do Vale do Rio dos Sinos
Zeolites made from rice husk ash, applied to garden soil.
In developmentUniversity
University of Guelph
Wollastonite chosen to weather fast enough to matter on a lawn.
Sponsored researchIn developmentUniversity
FJ
Cardiff University
A hierarchical porous composite doing sequestration and soil improvement.
Sponsored researchIn developmentUniversity
University of Prince Edward Island
Biochar as a soil amendment, for carbon and for fertility together.
Sponsored researchIn developmentUniversity
University of Wyoming
Coal char blended with algae, as an amendment for productivity and carbon.
Sponsored researchIn developmentUniversity
Enhanced rock weathering combined with the soil organic carbon pathway.
In developmentUniversity
RV
Canadian Wollastonite Inc.
Enhanced rock weathering spread on farmland, with a UK carbon partner.
Supply/purchaseIn marketSupplier
Algae taking up CO2
Aligma Pte. Ltd.
Microalgae grown to sequester CO2 and yield biomass at the same time.
In developmentSupplier
Hybrid microalgae fermentation turning CO2 into biobased lipids.
In developmentSupplier
MM
Mitton Cavitation
Cavitation raises how much CO2 dissolves into the algae culture.
In developmentSupplier
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Who is working on carbon capture & sequestration
Organizations in carbon capture & sequestration
Universities, startups, and suppliers with solutions in carbon capture & sequestration.
Carbon capture organizations
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Innovators in carbon capture & sequestration
Researchers and inventors advancing carbon capture technologies.
Carbon capture expertsAbout carbon capture & sequestration
Soil is where most of the work on Halo puts the carbon. Nine entries sequester it in managed land, several of them specifically in lawns and gardens, through rock weathering, zeolites, biochar or grass selection. Four more exist only to measure what is down there, because a credit needs a number. On Halo it spans 7 groups, including carbon into soil and managed land, algae taking up CO2, and rooftop and surface capture.
Stage of development. Work on carbon capture & sequestration on Halo comes mostly from university programs. 28% of the solutions are in market. Montana State University and University of Guelph have the most, followed by Arizona State University. Co-development and sponsored research are the usual partnering routes, and about 53% of the solutions that state terms offer pilot engagements.
Three trends in carbon capture technologies on Halo
Lawns and gardens, nine times over. Enhanced rock weathering, fast-weathering wollastonite, zeolites from rice husk ash, biochar amendments, coal char blended with algae, grass selection, and a porous composite. All are aimed at managed land and several name lawns and gardens explicitly. It is a large, distributed, privately owned carbon sink that nobody currently measures.
The roof is the other surface. Six entries capture or convert CO2 on a building. A modular rooftop unit with oxygen enrichment, panels making formic acid, plasmonic nanoparticles in a film converting under sunlight, a tile producing hydrogen alongside capture, a photocatalytic coating generating a credit, and a paint additive taking CO2 and VOCs out of a room.
Four entries measure, and that is the product. Ionic liquid sensors built to survive burial, microbial sensors reporting through IoT, subsurface spectroscopy reading organic carbon in place, and a multi-depth long-term network. Soil carbon is only worth money when it is verified, and verification is harder and more contested than the sequestration itself.
568organizations
596solutions listed
61%from university labs
28%in market
Frequently asked questions
What are carbon capture technologies?
Carbon capture and sequestration covers taking CO2 out of the air or a flue and keeping it out. It spans soil carbon in managed land including lawns and gardens, rooftop and surface systems that capture or convert CO2 in place, algae cultivated to absorb it, biochar and carbon materials, the measurement that turns stored carbon into a credit, and routes that convert CO2 into a saleable product.
What are examples of carbon capture technologies?
Five examples of carbon capture technologies on Halo include:
- Grass selection and soil amendment chosen for what a lawn will hold. (Texas A&M University, College Station)
- Microalgae grown to sequester CO2 and yield biomass at the same time. (Aligma Pte. Ltd.)
- A modular rooftop unit capturing CO2 and water and enriching oxygen. (Decarb-Air Pty Ltd)
- Ionic liquid gas sensors built to survive being left in soil. (Oakland University)
- Modular biochar packs turning contaminants into something with a use. (Capture Tech)
What are the latest carbon capture innovations?
The most recently updated carbon capture technologies on Halo include:
Which companies and suppliers are developing carbon capture technologies?
There are 568 organizations with carbon capture technologies on Halo, 81 of them universities and research institutions. Among them are Texas A&M University, College Station, National Root Crops Research Institute, and Universidade do Vale do Rio dos Sinos. Most offer co-development or sponsored research. Sign up to see every organization working in the area and to send them your specific need.
How do I find carbon capture research partners?
Browsing carbon capture technologies on Halo is free. Sign up to search the full network and save the ones you want. Post your specific need to get exact matches. Organizations reply directly on the platform.
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