About Arbon Earth
Arbon Earth is pioneering a scalable, nature-based way to remove carbon dioxide from the atmosphere — using the power of the oceans. We work with companies that want to go beyond emission reductions and take meaningful climate action today.
We combine fast-growing bamboo and macroalgae to form carbon-capturing micro-ecosystems. These grow, pull CO₂ out of the air through photosynthesis, and eventually sink to the deep seabed, where the captured carbon stays in the ocean cycle for up to 1,500 years.
Our approach is:
Natural & low-tech — no artificial air capture machinery.
Good for communities — we partner with coastal and island societies, creating local jobs and shared knowledge about the sea.
Beneficial to nature — the OceanPods also act as marine nurseries, supporting biodiversity.
Third-party verified — our method is verified through ONCRA, the Open Natural Carbon Removal Accounting Platform.
Join the Movement
Whether you’re a company, government, or individual ready to make a difference, we’re here to help you take climate action that counts — with real, verified carbon removal you can trust. Let us help you remove CO₂
Meet the Team
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Magnus Willner, MsC
CO-FOUNDER, CEO AND PRODUCTION
Tech and Environment Entrepreneur with the goal to make the world a little better place.
magnus@arbon.earth -
Carl Lindberg, PhD
CO-FOUNDER, M&V AND IP
Entrepreneur, innovator and former math professor.
carl@arbon.earth -
Mai Thai, MsC
CO-FOUNDER
Entrepreneur with focus in product development and business strategy.
mai@arbon.earth
Milestones
Arbon Earth is advancing to become a leader in Ocean Based Carbon Capture and Storage, with island sites around the world.
Customer traction and partnerships (2025)
Arbon Earth onboarded new customers, including corporate buyers such as Zephyr Renewable AB and “Cycling for Climate”.
Improvements in regulatory sales landscape
SBTi v2 closed consultation, and Oncra is aligning with EU CRCF framework. It will benefit the CDR market.
Indonesia CDR operations (Oct–Nov 2025)
Indonesia has good currents and seaweed farming culture. Magnus and Mai visited Indonesia to conduct experiments, discuss with team, suppliers and University. We established a local subsidiary. We are applying for KKPRL approval to start production.
Scientific deep sea filming capabilities development (Sep 2025)
Arbon Earth improved our deep-sea underwater filming capabilities during the Gothenburg University’s test week at the Bornö Research station. Interview here. Enabling higher-quality seabed observation and verification, to a low cost.
External validation and funding support (Sep 2025)
Arbon Earth received support from NOPEF (Nordic Countries Project Fund), enabling international feasibility work.
Seagrass meadow restoration in Sweden (Jun 2025 - ongoing)
Together with Gothenburg University and Tjärnö Marine Laboratory, we conducted seagrass meadow restoration north of Gothenburg. Carbon capture while preventing sediment carbon leakage and getting back biodiversity, using a seafloor seeding machine with the potential to significantly reduce restoration costs.
CDR in Sweden, Chalmers/BECCS (Mar–June 2025)
In collaboration with Diana Bernin professor in applied chemistry at Chalmers, and Emmanouela Leventaki, we ran CCS experiments scaling laboratory BECCS by a factor of ten, and explored integration opportunities with Gothenburg Energy. We also started a small-scale permanence test with a mine owner.
Coral reef restauration x CDR (Oct 2024-Jan 2025)
In collaboration with the University of Groningen, we completed a study on macroalgae removal from coral reefs in Kenya, combined with CDR. 2025 was the heaviest bleaching since 1998 with around 80% of the coral bleached, but coral can recover when water get colder during winter. Coral can easier recover from a bleaching event when there is less competition from e.g. Sargassum in the specific area, since if Sargassum grows over the bleached coral, then the coral can't come back to life (they go from white to brown dead). Report.
Prestudy CDR with Sargassum (Feb 2025 - ongoing)
We have been been part of feasibility studies for CDR on sites heavily affected by ocean Sargassum events, on sites such as Mauritius, Mexico and Guadeloupe. Our cost effective deep sea filming could verify the faith of the carbon on the deep seafloor.
CDR on Iceland prestudy (Aug 2025)
We had a small prestudy for CDR operations on Iceland together with former Running Tide team members, that contacted us. Could continue 2026, possibly with the Puro Earth algae CDR method that was just released.
Market insight generation (Jan - May 2025)
Six Chalmers students completed thesis work analyzing customer behavior and demand for CDR, providing market insights. The report.
EY Impact Amplifier program (Aug - Dec 2024)
Arbon Earth was selected for the EY Impact Amplifier program. Many of EY's clients are doing a lot of CSRD documentation work now. Next step is to increase the actual emission reductions, start with CDR and disclose the improvements.
CDR prestudy in Tanzania (May 2024, Nov 2025)
Nov 2025: Initiated small CDR tests with our new seaweed and bamboo method, with a group of seaweed farmers in Pemba, Tanzania. The location has close proximity to deep ocean. Next step is permit application and production.
May 2024: We supported a biodiversity study together with University of Dar El Salam.
Back in Kenya (April 2024)
Magnus visited Kenya again to assist with the setup of ongoing production in Kibuyuni. So nice to see that the team is now operational!
New Angel Investors (Mar 2024)
We onboarded 3 new great angel investors that wanted to join our journey to create an impact for the climate and a better future. Thanks for believing in us!
Long-term tests with SMHI (Feb 2024)
We started doing climate action research with SMHI and their research vessel Svea. In this deep sea research we put biomasse in measurement containers, on the seafloor. The plan is to measure the weight after 1, 2, 3, 5, 10 … years to get a projection towards 100 years. This will give us values on persistence in different circumstances over time. Thank you SMHI for this opportunity.
Live Tests - Kenya, Indian Ocean (Nov 2023)
Arbon Earth work with four Kenyan women at Kibuyuni Seaweed Farmers to produce OceanPods. Kenya and Tanzania has a large seaweed industry employing 30 000 persons, so they have great knowledge about this production. Magnus visited the site and did a first test putting out OceanPods in the Indian Ocean. This collaboration boosts the economy of this area and strengthens the coastal resilience. We are proud of our Kenyan partners!
Certified by ONCRA (Oct 2023)
The OceanPod got certified by ONCRA. The organisation is the world’s first Open Natural Carbon Removal Framework. It operates as a lean and trustworthy certifier for nature-based carbon removal projects, in close collaboration with local governments, the European Commission and a wide network of innovative entrepreneurs who sequester carbon with nature-based processes. The result from the Life Cycle Analyses done showed that for every tonne of CO2e we bind we emit only 30 kg COe2, that is 3%. Compared to the 50% that biochar emits while being produced. Sweet!
Innovative Impact Startup (Oct 2023)
Arbon Earth was granted funding as an “Innovative Impact Startup”, 300 000 SEK, from Vinnova (Swedish Agency for Innovation Systems) to further develop the product and carry out tests at sea.
Live tests - Atlantic Ocean (Feb 2023)
Like a real adventurer Magnus hitchhiked from Antwerp to New York in an enormous container ship (Atlantic Container Line, ACL). This trip took twelve days. He assembled bamboo from Portugal and spores from Scotland (the closest land downstream the deployment site), to create the OceanPods in a large hall with no windows with 5 metre high waves outside. At international waters, between Europe and the USA, 28 OceanPods were finally released in the North Atlantic Ocean. They were monitored until September 2023 to find out how well the OceanPod solution was working.
Magnus disembarked from the ship in New York and got invited to present for the Nasdaq staff regarding new solutions for Nature-based Carbon Capture. A great trip and a great test!
Workshop Azores, Atlantic Ocean (Nov 2022)
Collaboration started with the University of the Azores, experts on deep sea research, located strategically outside Portugal in the Atlantic Ocean. This university has developed a cost-effective method to filming deep sea in 4K at the seafloor, to see activity far below the surface. At 3000 metres depth, the pressure is 300 times larger than on the surface. There is no photosynthesis there, low oxygen levels and it's completely dark. The aim with this filming is to find out what will happen when the OceanPods hit the seafloor and become part of the sediment. Magnus also gave a lecture at the university about Arbon Earth's solutions and thoughts about the matter.
Test Lab - Grebbestad (Oct 2022)
First marine tests with the OceanPod at the sea shore in Grebbestad (West Coast Sweden) in collaboration with Gothenburg University and Hortimare (Dutch spore producing company). Developing a super-fast spore producing method.
Arbon Earth AB is born! (Sep 2022)
The two founders Magnus and Carl registered the company ‘Arbon Earth AB’ in Sweden, with an aim to be one part of the solution to the climate crises.
“Climate Hackathon” (Sep 2021)
Magnus arranges a successful hackathon with marine biologists to invent big scale, low-cost climate solutions. Connects with Carl Lindberg who had similar thoughts and invents the OceanPod.
Questions and Answers
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Yes, in many countries. The Supreme Administrative Court in Sweden has granted deductions for climate compensation provided that the climate compensation is visible in the company's marketing.
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Sure, everything helps! However, you will not be able to claim to be Net Zero.
For a company with 20 employees, that compensates 50% of their emissions, we get the following:
50% * 0.2ton/employee/month * €220/ton = €22/employee/month. This sum is comparable to half the cost of a standard gym membership, while being a really good thing for the climate, an appreciated social responsibility action, as well as a way to attract and keep talent.
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We see you, and understand your challenges! Try to minimize administration and automize CSRD data collection, so you get more of your budget for new Emission reductions, and CDR purchases.
Build your marketing messages around how many tonnes of emissions you have cut, and how many tonnes of CO2 you have removed.
Make sure your selected CDR suppliers have low emissions, high permanence, additionality, social responsibility.
Ask for budgets to at least cover half of your emissions.
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Methane (CH4) emissions is not a problem for our deep ocean CDR method.
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That's where the vast majority of emissions are. The small scope 1 and 2 is easier to reduce but is a small share of the total emissions.
Manufacturing companies of today are very much assembly factories. Most of the work and emissions are done by their suppliers.
Therefore, buying departments need to start select suppliers also based on Emissions, not only Price and Quality.
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We provide floating micro nursery chambers where fish can grow during their first stages. In the long run this increases the amount of fish in the ocean, which in turn increases fishermen's income.
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Biochar usually burns 50% of the carbon up into the atmosphere day 1, actually contributing to the climate crisis. So when considering that, it has a low permanence, even though the resulting char has high permance. But the burning results in heat that can keep the price of the carbon credits down.
The obvious downside is that biochar sends carbon up into the atmosphere which is the opposite of what we want to do. In short, the climate doesn't care where the carbon emissions came from.
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Science Based Target Initiative (SBTi) recommend to do both Emission Reductions and Carbon Capture, since both are important. They also recommend to communicate them separately.
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Yes. We try to live as we preach. First we reduce our emissions so we get as few emission tonnes as possible.
Then we buy CDR tonnes to get down to be in Carbon Balance. Our carbons captures are same or larger than our emissions.
Our goal is to take it further and become Net Negative 25% in 2025 and Double Net Negative 2030. We are a young company and also Lifetime Net Zero.
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When you support the climate, or your company even get in carbon balance, you can show it in many ways. E.g. on the webpage, mail-footer ot using frame for Linkedin profile picture. Important to remember to both do/communicate emission reductions and carbon removal.
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The climate doesn’t care if the carbon we send up when burning come from fossil, or other fuel. What we need to do is to reduce the amount of carbon that is released into the atmosphere, by using more of the emission free methods.
We often hear that the biomasse is burned would be decomposed into the atmosphere anyway, but it is not true if we use it in durable products. Then it will stay away from the atmosphere.