14 Groundbreaking Climate Tech Companies Helping to Solve Climate Change [2026 Review]

Based in the US, Fervo Energy provides carbon-free energy by developing innovative geothermal power. Its goal is to use pioneering geoscience techniques to accelerate the world’s transition to sustainable energy.

Fervo’s technological advances in drilling and below-ground analytics make geothermal emergy cost-competitive.

Backed by Google, this leading energy climate tech company has already begun to send geothermal-sourced electricity into the Nevada grid.

• Environmental Commitment: The company prioritizes environmental health and safety, ensuring that its operations do not harm local ecosystems and fully reinject water back into the ground.
• Scalability: Fervo Energy’s approach increases the viability of geothermal projects to various regions, significantly enhancing the potential of geothermal energy production.

Founded in 2003, CarbonCapture Inc. is addressing climate change through direct air capture (DAC) technology.

Their mission is to decarbonize the atmosphere by developing and deploying machines that remove CO₂ directly from the air and store it permanently underground.

Their core technology is a modular carbon capture system that can be retrofitted to existing power plants, industrial facilities, and other sources of carbon dioxide (CO₂) emissions.

• Direct Air Capture Technology: They specialize in developing machines that remove CO₂ directly from the atmosphere, which can then be stored underground or used in various industrial applications.
• Innovative Sorbent Use: Their DAC (Direct Air Capture) machines utilize solid sorbents that absorb atmospheric CO₂ when cooled and release it when heated, allowing for efficient carbon capture.
• Award-Winning Recognition: CarbonCapture Inc has been acknowledged as a 2023 Technology Pioneer by the World Economic Forum, highlighting its potential impact on the future of carbon removal.

• Alkama is a climate tech startup innovating in the field of sustainable agriculture.

  They have developed a patent-pending technology called NutriBridge, which claims to provide a “liquid ecosystem” designed to enable farmers to grow wheat and barley without using chemical fertilizers, fungicides, or pesticides.

  Their approach aligns with the principles of regenerative agriculture, aiming to transform wheat farming by boosting profits and capturing carbon in the soil.

• FITS (Factory-In-The-Soil): A liquid ecosystem of soil microbiology developedto produce high-yield crops that are cost-efficient for farmers without fertilizer, pesticides, or fungicides. This treatment uses fungi, bacteria, nematodes, and protozoa in the production of plants, wheat, and barley to overcome crop stress while also capturing and sequestering CO₂ in the soil.
• Cost reduction: Farmers can save 20-30% on input costs, making the technology environmentally friendly and economically beneficial.
• Carbon Sequestration: Alkama’s solutions have the potential to sequester 1.3 gigatons of CO₂ if applied globally, contributing significantly to carbon capture efforts.
• Organic Premiums: Farmers using Alkama solutions can access organic premiums, potentially doubling the value of their crops and providing an incentive for more sustainable farming practices.

Twelve, also known as The Carbon Transformation Company, is pioneering innovative technology that functions like industrial photosynthesis.

Their mission is to create products made from air, not oil, by transforming CO₂ into essential materials and fuels. Twelve harnesses CO₂ water, and renewable energy to produce hydrocarbons, which are the building blocks of chemicals, materials, and fuels.

This process results in products that have zero fossil fuels, zero net new emissions, and maintain quality and performance, marking a significant step towards a fossil-free future.

• FITS (Factory-In-The-Soil): A complete liquid ecosystem of soil microbiology designed to produce high-yield crops that are cost-efficient for farmers without fertilizer, pesticides, or fungicides. This treatment uses fungi, bacteria, nematodes, and protozoa in the production of plants, wheat, and barley to overcome crop stress while also capturing and sequestering CO2 in the soil.
• CO₂ Electrolysis: Twelve’s technology transforms CO₂ into water and renewable energy into hydrocarbons, which serve as the building blocks for chemicals, materials, and fuels.
• Dual Emissions Reduction: Their carbon transformation process has a dual benefit for emissions reduction by using CO₂ to displace fossil fuels as feedstock and preventing emissions from hard-to-abate sectors.
• Circular Carbon Economy: Twelve’s approach supports the creation of a circular carbon economy, turning CO into a feedstock and transforming linear industrial systems into circular ones.
• Power-to-Liquids E-Fuels: This company is advancing sustainable aviation with their Power-to-Liquid SAF (Sustainable Aviation Fuels), which have up to 90% lower lifecycle emissions than conventional jet fuel.

NuScale Power is an innovative climate tech company that uses small modular reactor (SMR) technology in the energy sector. They aim to facilitate the global energy transition by providing safe, scalable, and reliable carbon-free energy.

NuScale’s SMR design is unique because it’s small enough to be factory-built and transported to a plant site, significantly reducing construction time and risks.

The company made history in 2020 as the first SMR to receive NRC design approval and aims to bring the first SMR plant online by 2030

• Factory-Built Modules: The NuScale Power Module, including containment, is fully factory-built and can be transported to the plant site, reducing construction time and risks.
• Multi-Module Design: Their design allows for a plant to produce electricity while dedicating modules for other applications like hydrogen production.
• Enhanced Safety: The SMR design employs gravity-driven natural circulation of the primary coolant, simplifying the design and enhancing safety.
• Scalable Solutions: NuScale offers different power plant sizes, accommodating up to 12 modules for a total output of 924 MWe, allowing for scalability based on demand.
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H2 Green Steel, now known as Stegra, is a pioneering force in the decarbonization of the steel industry, aiming to produce near-zero emission steel at its massive plant in Boden, northern Sweden. This ambitious project is built on the principle of replacing coal with green hydrogen as the primary reducing agent.

The Boden plant integrates a giga-scale electrolyzer, powered entirely by renewable electricity, to produce green hydrogen on-site. This hydrogen is then used in a Direct Reduced Iron (DRI) process to refine iron ore into green iron, emitting only steam.

Stegra’s vision extends beyond production; it encompasses a fully integrated, digitalized, and circular plant. The company has secured significant funding and established long-term agreements with major customers like Volvo Group, Mercedes