Top 10 Carbon Capture Startups

Discover the Pioneers Driving Breakthrough Solutions in Carbon Capture to Combat Climate Change and Shape a Greener Tomorrow.

  1. 1.
    Capture6

    Capture6

    Capture6 is a climate technology company that removes CO₂ from the atmosphere using Direct Air Capture (DAC) with desalination brine waste. This process generates freshwater and valuable green co-products like hydrogen and lithium, achieving permanent carbon removal, water positivity, and industrial decarbonization. Their patented DAC+OAE technology removes 2–3x more CO₂ than DAC alone, contributing to ocean health restoration.

    • United States
    • 2021
    • Early Stage Venture
  2. 2.
    CarbonCapture

    CarbonCapture

    CarbonCapture is a climate tech company developing patented, modular direct air capture (DAC) systems that remove CO2 from the atmosphere. Their Leo Series DAC system, with 12 reactors per module, captures 500 tons of CO2 annually with 98% purity, designed for scalable, mass-produced carbon removal.

    • United States
    • 2019
    • Early Stage Venture
  3. 3.
    Mote

    Mote

    Mote converts woody biomass waste into clean biohydrogen and permanently stores CO₂, significantly boosting hydrogen output and eliminating waste. Our patented BiCRS process supports zero-emission fuel, reduces wildfire risks, and powers off-grid systems, offering a scalable, clean energy solution.

    • Germany
    • 2020
    • Series A
  4. 4.
    Cool Planet Technologies

    Cool Planet Technologies

    Cool Planet Technologies (CPT) develops cutting-edge, patented membrane technology for highly efficient, chemical-free CO₂ capture from industrial emissions. Our modular solutions reduce energy use by 60% and space by 50%, cutting capture costs by up to 50% for effective industrial decarbonization.

    • Finland
    • 2019
    • Early Stage Venture
  5. 5.
    Captura

    Captura

    Captura develops innovative Direct Ocean Capture technology, utilizing renewable electricity to remove CO₂ from seawater. More efficient than direct air capture, their patented system scales to remove thousands to millions of tons of CO₂ annually, enhancing the ocean's natural carbon absorption to combat climate change.

    • United States
    • 2021
    • Early Stage Venture
  6. 6.
    Eion

    Eion

    Eion offers a patented solution for permanent atmospheric CO2 removal by applying pulverized olivine to farmland. This accelerates natural CO2 absorption through enhanced weathering, permanently storing carbon, improving soil quality, and providing verified carbon credits.

    • United States
    • 2021
    • Early Stage Venture
  7. 7.
    Noya

    Noya

    Noya develops innovative, energy-efficient Direct Air Capture (DAC) systems that permanently remove CO2 from the atmosphere. Our modular, all-electric technology uses affordable sorbents to capture over 1,000 tons of CO2 per deployment, ensuring long-term impact and providing verified carbon removal credits to help companies achieve net-zero goals.

    • United States
    • 2020
    • Early Stage Venture
  8. 8.
    Carbon Reform

    Carbon Reform

    Carbon Reform is a climate-tech startup reducing CO2 emissions and improving indoor air quality in commercial buildings. Our patented Carbon Reduction System integrates with existing HVAC to capture and mineralize CO2 on-site, cutting energy use by up to 50% and offering a 5-7 year ROI.

    • United States
    • 2020
    • Seed
  9. 9.
    Mission Zero

    Mission Zero

    Mission Zero Technologies is a DAC startup developing modular, energy-efficient, and scalable direct air capture systems. Their electrochemical methods remove CO₂ from the atmosphere, consuming 3-5 times less energy than conventional methods. Their systems are easily deployable across industries and locations.

    • United Kingdom
    • 2020
    • Early Stage Venture
  10. 10.
    Metafuels

    Metafuels

    Metafuels pioneers affordable, scalable Sustainable Aviation Fuel (SAF) with patented aerobrew technology. We convert green methanol into SAF, addressing high costs and production limits to revolutionize aviation.

    • Switzerland
    • 2021
    • Series A

Emerging Startups solving critical problems in Carbon Capture

Emerging Startups solving
critical problems in Carbon Capture

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