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Vancouver, British Columbia-based Arca Climate Technologies, Inc. develops carbon mineralization technology that accelerates the reaction between atmospheric carbon dioxide and ultramafic mine tailings. The company utilizes proprietary reactors and autonomous rovers to speed up this process by 10 to 50 times, transforming mining waste into permanent carbon sinks. Arca generates revenue by selling verified carbon removal credits and partnering with mining operators, recently securing an agreement with Giga Metals for a 220 million-tonne project. The organization has grown to 20 employees and raised an $11 million seed funding round backed by lead investors Lowercarbon Capital and Collaborative Fund. Additionally, the firm won a $1 million XPRIZE award and secured off-take agreements with corporate buyers including Shopify and the Frontier coalition. Arca Climate Technologies was founded in 2021 by Greg Dipple, Paul Needham, Bethany Ladd, and Peter Scheuermann.
Arca Climate Technologies, Inc. has raised $13.0M across 2 funding rounds.
Arca Climate Technologies, Inc. has raised $13.0M in total across 2 funding rounds.
Arca Climate Technologies, Inc. (formerly Carbin Minerals) is a Vancouver-based climate tech company founded in 2021 that develops industrial mineralization technology to permanently remove CO₂ from the atmosphere by accelerating its conversion into stable carbonate minerals using alkaline industrial waste, such as mine tailings and steel slag.[1][2][3] The company partners with mining and industrial operations to repurpose waste streams for gigatonne-scale carbon removal with minimal environmental footprint, serving heavy industries like critical mineral producers (e.g., nickel mines) that support the clean energy transition.[2][3][4] Arca has raised $920K in grants, completed a landmark 2025 demonstration project at an active mine achieving 10x-20x mineralization rate increases, and secured major offtake agreements, including nearly 300,000 tonnes with Microsoft.[1][3][5]
This approach solves the dual challenge of managing gigatonnes of industrial waste while delivering verifiable, permanent CO₂ storage, with identified potential for 21 gigatonnes from mine waste alone.[3][4] Early traction includes XPRIZE Carbon Removal finalist status, partnerships across three continents, and credits purchased by MaRS Discovery District.[5]
Arca emerged from over 20 years of academic research in carbon capture via mine tailings mineralization, led by founders who are established leaders in the field with extensive experience in innovation, field trials, and collaborations with more than 30 mining companies worldwide.[2][3] Originally founded as Carbin Minerals in 2021 in Vancouver, Canada, the company rebranded to Arca to emphasize its focus on industrial-scale deployment.[1][3]
The idea crystallized around leveraging existing mine waste—rich in magnesium silicates like serpentine—for accelerated carbon mineralization, addressing the growing need for scalable climate solutions amid rising critical mineral demand for batteries and renewables.[2][4] Pivotal early moments include an 18-month tailings trial at Nickel West (supported by a $1.25M grant from B.C.'s CICE), global expansion with nickel producers, and the 2025 demonstration project that proved seamless integration at active mines.[3][5]
Arca rides the direct air capture (DAC) and carbon mineralization wave, a key trend in gigatonne-scale climate tech amid global net-zero mandates and surging demand for critical minerals like nickel for EV batteries.[2][3][5] Timing is ideal: mining output must triple by 2030 for energy transition goals, generating massive waste streams that Arca repurposes, turning a liability into climate assets while enhancing mine sustainability.[2][4]
Market forces favor it, including carbon credit markets (e.g., Microsoft, MaRS deals), government grants, and XPRIZE validation, amid competitors like Travertine but with Arca's edge in active-mine proofs and industrial partnerships.[1][5] It influences the ecosystem by pioneering "industrial mineralization" as a new CDR pathway, enabling mines to monetize waste, attract ESG investment, and scale CO₂ removal without competing for land or energy.[3][4]
Arca is positioned for explosive growth through 2026+, with Microsoft-scale deals signaling demand for its verified, low-cost credits and potential to deploy at dozens of global sites.[5] Trends like policy-driven carbon markets, mineral supply chain decarbonization, and AI-optimized monitoring will accelerate adoption, potentially unlocking billions in revenue from waste valorization.[3][4]
Its influence could evolve from niche innovator to ecosystem shaper, standardizing mine-based CDR and helping stabilize climate at gigatonne scale—proving that bold integration of waste and CO₂ streams is the lighter path to reversal.[2][3]
Arca Climate Technologies, Inc. has raised $13.0M in total across 2 funding rounds.
Arca Climate Technologies, Inc.'s investors include Breakthrough Energy Ventures, Lowercarbon Capital, Prelude Ventures, Side Stage Ventures, WovenEarth Ventures.
Arca Climate Technologies, Inc. has raised $13.0M across 2 funding rounds. Most recently, it raised $8.0M Seed in August 2024.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Aug 1, 2024 | $8.0M Seed | Breakthrough Energy Ventures, Lowercarbon Capital, Prelude Ventures, Side Stage Ventures, WovenEarth Ventures | |
| Feb 1, 2023 | $5.0M Seed | Lowercarbon Capital, Prelude Ventures |