GLOBAL SOLUTIONS FOR ATMOSPHERE, OCEANS AND GROUND

A Ready-Reckoner for Readers Who Want to Know What Happens to the Carbon Already Up There

THE ARITHMETIC PROBLEM

The atmosphere holds roughly 3.3 trillion tonnes of CO₂. In the book, 187 Direct Air Capture facilities remove 43 million tonnes from it by 2032, or 0.0013% of the total. Even the 500 million tonnes a year planned for 2035 would equal 0.015%. Measured in concentration, 43 million tonnes is 0.0055 ppm and 500 million tonnes is 0.064 ppm, against an annual rise of 2 to 3 ppm. Anyone who hears that technology will simply vacuum the problem away should do this calculation first.

The division explains the order of the book. Nothing in this appendix replaces the Four Ones. Net-zero means cutting actual emissions across Scope 1, 2 and 3 and balancing only the unavoidable residual with durable removals under a fixed cap. Avoidance credits do not count. Preventing a tonne from entering the atmosphere is always cheaper than catching it afterwards, and carbon removal burns energy that must be clean, or the exercise defeats itself. Removal has three jobs. It deals with the carbon already accumulated, covers residual emissions from sectors with no zero-emission option yet, and speeds recovery once emissions have fallen. Companies and governments cannot do these jobs alone. They sit in the air above everybody, in the oceans and deep in the rock, which is why they get an appendix of their own.

1. THE ATMOSPHERE: DIRECT AIR CAPTURE

Direct Air Capture (DAC) is the best-known engineered route to remove CO₂ from ambient air. Large fans push air through sorbent filters that bind the CO₂. Heat then releases the gas from the saturated filters, and the system compresses the concentrated CO₂ for storage or use. In the book, one capture train moves about 400,000 cubic metres of air an hour. Where DAC sits next to a geothermal plant, the waste heat does the regeneration work almost for free, and the book assumes a thermal efficiency of 92% for such integrated sites.

Location determines whether the economics work. The book places its facilities where cheap, clean energy meets suitable rock: Kenya (Menengai Geothermal Field), Iceland, Texas with its wind, Scotland with its hydropower, and Guangdong in China, with Morocco, Ethiopia, Tanzania, Brazil and South Africa in development. The energy source can be geothermal, wind, solar or nuclear baseload. It must never be fossil. A DAC plant running on gas is an expensive way to go nowhere.

Costs are the weak spot. In the book, early facilities cost $600 to $800 per tonne captured, current-generation plants $200 to $400, and the 2040 target is $100 to $150. Real plants today cost considerably more, and published estimates for scaled-up operations still start in the low hundreds of dollars per tonne.[1] The sorbent is the main operating cost, so small gains pay off. In the book, a humidity management system developed at one facility stretched filter life from 847 to more than 1,170 cycles and cut replacement costs by 28%. Because the knowledge travels (see TERRA below), the gain showed up in all 187 installations at once.

2. THE GROUND: BASALT MINERALISATION

Captured CO₂ is useless unless it stays captured. Basalt turns it into stone. The CO₂ reacts with calcium and magnesium in the porous rock to form stable carbonate minerals. The old assumption was that this takes hundreds or thousands of years. The Icelandic CarbFix project dissolves CO₂ in water and injects it into basalt at about 750 metres; in the Matter et al. pilot, over 95% turned to stone within two years, and at the Hellisheidi plant over 60% within four months.[2] A US pilot at Wallula injected supercritical CO₂ and mineralised about 60% within two years. In the book, the best sites mineralise the CO₂ within three to six months.

Four properties make basalt attractive. The storage is permanent on geological timescales. Core samples can verify how much carbonate has actually formed. Basalt exists in huge volumes across the planet, with a capacity of hundreds of billions of tonnes of CO₂. And the reaction is fast enough to keep injection wells productive. The book names the East African Rift Valley, where exceptional porosity gives 37% faster mineralisation than the reference sites; Iceland as the pioneer; the Columbia River Basalt Group in the Pacific Northwest; and the Deccan Traps in India. In Germany, storage would rely on the North Sea under the KSpTG; onshore storage needs the consent of the Land. Higher porosity means more CO₂ per borehole and therefore less drilling, which is where the money goes.

3. THE OCEANS: ALGAE AND ACIDIFICATION

Algae cultivation

Algae absorb CO₂ through photosynthesis faster than almost anything else on the planet. The idea is to grow them in nutrient-rich ocean zones, harvest the biomass at optimal density and sink it into deep trenches below 2,000 metres, where cold and pressure keep it from decomposing and releasing the carbon again. Early results suggest billions of tonnes a year are possible in principle. The ecology is the open question: nutrient depletion for existing marine life, changed ocean chemistry in the growing zones, pressure on natural phytoplankton, and unknown effects on deep-sea ecosystems under a biomass rain. Ocean fertilisation is restricted under the Convention on Biological Diversity and the London Protocol. Until independent monitoring answers these questions, algae stay in the portfolio with a question mark.

Ocean acidification

The oceans have already absorbed about 30% of the CO₂ humanity has emitted since industrialisation, and they have paid the price. Surface pH has fallen from roughly 8.2 to 8.1, a 30% rise in hydrogen ion concentration, and it continues to decline by about 0.02 units per decade. By 2100 under high-emission scenarios, another 0.3 to 0.4 units would follow. Lower carbonate levels make it harder for corals, shellfish and calcifying plankton to build their skeletons and shells. On the Great Barrier Reef, coral calcification fell by about 14% between 1990 and 2005 (De’ath et al., 2009), and fish lose some of their ability to detect suitable habitat. Warming adds a second blow, since bleaching sets in when temperatures exceed the seasonal maximum by about 1°C (1.8°F).

Nothing in the water fixes this. Natural buffering takes thousands to hundreds of thousands of years, while we are acidifying the oceans within centuries. The remedy is in the air: stop adding CO₂, take some out, and let the oceans recover as the concentration drops. It is not the colonisation of Mars. The billions spent on that pipedream would hinder further CO₂ emissions better.

4. THE LAND: BIOCHAR, FORESTS, PEATLAND AND BECCS

Four land-based options round out the portfolio. They differ in permanence, scale, and the trouble they can cause.

Biochar is the practical favourite. Crop residues and forestry waste are heated in a low-oxygen process (pyrolysis) to form stable carbon, which is buried in the soil and stays there for centuries. Farmers get better water retention, more available nutrients, lower fertiliser bills, and regenerated land. It is no surprise that developing economies lead the innovation, since they have the waste, the degraded soil and the labour, and the yield gains pay for the effort.

Reforestation and afforestation deliver carbon storage alongside biodiversity, watershed protection, and erosion control. Native, mixed-species planting resists pests and fire better than monocultures, and local communities need a stake in the forest, or it will not survive its first decade. The limits are plain. Forest carbon is not permanent because fires, disease, logging, and land-use changes can release it quickly, and land is finite and often wanted for farming.

Peatland restoration protects the largest natural carbon store on land. Intact peatlands hold about twice as much carbon as the biomass of all the world’s forests, and drained peat releases it. Rewetting by blocking drains or raising the water table, replanting with sphagnum and sedges, and protecting against renewed drainage stop the leak and let the peat grow again. Preventing damage comes first, and restoring damaged sites is the second-best option.

Bioenergy with Carbon Capture and Storage (BECCS) burns or gasifies sustainable biomass for energy, captures CO₂, and stores it underground, producing negative emissions on paper. In practice, it competes with food production for land and water, can damage biodiversity through energy-crop monocultures, requires fertiliser, and clashes with several UN Sustainable Development Goals. The academic literature remains divided on its effectiveness and sustainability. The book treats it as a supplement where sustainable biomass is genuinely available.

5. TERRA: THE KNOWLEDGE ENGINE

TERRA (Transformation Exchange & Resource Reward Alliance) is the author’s invention. It is not an existing platform, but the logic behind it deserves attention from anyone who has seen good ideas die in a licensing negotiation. TERRA is an AI-supported global knowledge database where engineers, scientists, managers and technicians share solutions, troubleshooting procedures and process improvements. Every contribution earns climate points, which can be converted into real money.

The money comes from the subsidies governments no longer pay. In the book, EU member states redirect the more than €100 billion a year they still spend on fossil fuel subsidies into a Global Climate Transformation Fund, and China’s Belt and Road Climate Transition Fund adds USD 1 trillion over ten years. The pool funds infrastructure protection and renewable deployment, the platform itself, the real-currency backing of the points, and technical assistance to developing economies.

The reward structure flips the usual incentive. Hoarding know-how earns nothing, while sharing it pays every time somebody else implements it. The book gives three examples of what that looks like:

• A Kenyan DAC operator earns 340,000 points for documenting basalt mineralisation protocols now used worldwide.

• A Munich manufacturing engineer collects 12,000 points for process improvements adopted at 94 facilities.

• A Chinese polymer engineer receives 17 million points for a non-fossil plastic injection technology.

The result is a knowledge cascade. A technology that would take a decade of proprietary licensing spreads in a few years, and an improvement made in Kenya runs in Germany, Brazil, China, Scotland, India and Texas within weeks. Competitive secrecy gives way to collaboration, because survival outranks market share. Readers who know the ISO 9000 story will recognise the pattern: the faster the good practice travels, the faster everybody gets better.

PUTTING THE PORTFOLIO TOGETHER

No single technology restores the atmosphere. The book deploys all of them at once and matches each to the place where it works best:

Volcanic regions (East Africa, Iceland, Indonesia): DAC powered by geothermal energy and stored in basalt, targeting more than 500 million tonnes a year by 2035.

• Coasts: wind-powered DAC and, once the ecology is understood, algae cultivation.

• Farmland: biochar next to the waste it consumes.

• Northern peatlands (Scotland, Canada, Scandinavia, Russia): restoration and protection.

• Deserts: solar-powered DAC, where land-use conflicts are small.

Reforestation fits wherever land allows, mostly for the co-benefits, and BECCS plays a supporting role where biomass is sustainable. One rule holds everywhere. All energy for carbon removal, whether for DAC fans, capture and compression, algae harvesting or pyrolysis heat, must be renewable.

WHAT CAN GO WRONG

Scale and time. The atmosphere does not recover quickly. Even with aggressive deployment, exponential capacity growth, and dramatic emission cuts, we still face decades of work and a large bill in money and energy. In addition, recurring strong El Niños and similar extremes will disrupt many people’s lives.

Trade-offs. BECCS competes for land and water, algae disturb marine ecosystems, forests compete with farms, and peatland restoration displaces current land use. Measure each project against the UN Sustainable Development Goals before it starts.

Permanence and honesty. A removed tonne counts only if it stays removed and is not counted twice. Basalt is the easy case, since core samples show the carbonate. Ocean storage needs monitoring for re-release, biological storage needs a fire, disease and land-use risk assessment, and every claim needs accounting rules that prevent double counting and fraud. Independent third-party verification of the Fourth One (TÜV, JQA, CQC, Perry Johnson) applies to removal claims the same way it does to emission cuts. Without it, the next credit scandal will damage the whole sector.

FIRST SIGNS OF RECOVERY (IN THE NOVEL)

These are scenario events, not forecasts. In the book’s timeline, East African research stations detect lower CO₂ concentrations in regional air masses after rapid emission cuts and DAC deployment. The effect is not global yet, but it appears faster than climate models predicted. Those models assume gradual reductions over fifty years, but the Four Ones deliver a few-year supply-chain transformation that no model anticipated. The wider indicators in the book point the same way:

• The Antarctic ice shelf stops shrinking eighteen months after peak emissions.

• Arctic sea ice stabilises, and Greenland’s ice loss slows.

• Global warming peaks at 1.9°C and starts a measurable decline.

• Alpine glaciers begin to reform after twenty years of retreat.

WHAT THIS MEANS FOR YOU

You do not need a basalt formation or a geothermal field to take part in this chapter of the story. You need to push your own emissions towards zero, because every tonne you avoid is a tonne nobody has to capture in 2040 at the book’s $150. The second step is to treat carbon removal like any other purchase: ask for verification, ask where the energy comes from and ask what happens if the forest burns. The third step is to share what you learn. In the book, the humidity fix that saved 28% of the sorbent cost came from one operator who decided to write it down.

More than three trillion tonnes sounds hopeless. It is also the first time in history that the number can start to decline, slowly, measurably and in our lifetime.

Note to readers: This white paper covers technologies and platforms that work above the level of single companies or countries. For corporate levers, see NET ZERO FOR BUSINESSES. For the national framework, see NET ZERO FOR GOVERNMENTS. For a new Carbon Accounting, see CLIMATE-ADJUSTED ACCOUNTING (THE NEW IFRS/ GAAP).

—————————-

[1] The IEA cites $600 to $1,000 per tonne across existing projects and $125 to $335 for a hypothetical large plant. Climeworks’ Mammoth plant in Iceland removed 675 tonnes in the first half of 2026, against a nameplate capacity of 36,000 tonnes a year.

[2] Matter, J. M. et al. (2016). Rapid carbon mineralisation for permanent disposal of anthropogenic carbon dioxide emissions. Science, 352(6291), 1312–1314.