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    In our fight to reverse climate change
    we must leave no stone unturned.

    Rocking CO2 for a livable planet

    Abundant life needs a healthy climate. We remove excess CO2 from the atmosphere, and transform it into rocks – naturally storing it for millennia.

    CO2 removal

    We can still reverse climate change if we act fast, and develop solutions that scale. For our part, we capture and store CO2 permanently by speeding up the natural process of carbon mineralization. And because our technology uses the waste from critical metal mines, it keeps a light footprint while supporting the clean energy transition.

    Mines of the future tackle emissions of the past

    Our mining partners produce the critical metals needed for the clean energy transition. Together, we develop new ways to decarbonize their operations, enabling them to achieve their environmental and social commitments, and make carbon-negative mining a reality.

    True climate leaders leave nothing behind

    We work with progressive companies who are taking responsibility for their emissions – past, present and future. For these leaders, we offer scalable carbon dioxide removal that’s always safe, verified and durable.

    Mineralization

    From underground
    to rock star

    The star of our show is ultramafic rock. Rich in magnesium, it naturally reacts with CO2 in a process known as carbon mineralization, which captures and stores CO2 safely and permanently. But like most things geological, mineralization is slow, and ultramafic rock is typically buried deep below the Earth’s surface.

    Serpentinite is a common form of ultramafic rock that mineralizes atmospheric CO2. Photo: Dave Zeko

    Energy transition

    The clean energy paradox

    Decarbonizing our energy systems means more mining, not less. The clean energy transition will require up to 20x more critical metals by 2040. But today, mining is carbon intensive, and the last thing we need is more emissions. Turns out ultramafic mine tailings, which are a byproduct of critical metal mining, have the potential to remove gigatonnes of CO2 from the atmosphere, and make critical metal mining carbon negative. Like physicist Niels Bohr once said: “No paradox, no progress”.

    The clean energy transition will require significantly more critical minerals like nickel, copper, cobalt, lithium and others by 2040. – Source: International Energy Agency

    Our proprietary acceleration technology is paired with cutting-edge monitoring technologies for 100% verifiable carbon sequestration.

    Technology

    All-natural, just way faster

    Our technology significantly accelerates the natural process of carbon mineralization in mine tailings. Building upon decades of research, we’ve developed new ways to transform mine waste into a valuable new resource. This presents an unprecedented opportunity for permanent carbon dioxide sequestration on a gigatonne scale.

    Taku River Tlingit First Nation traditional territory

    Net-negativity

    Negativity never felt this positive

    Critical metal mines not only provide the minerals needed for the energy transition, but have the potential to remove large amounts of CO2 from the atmosphere. With our technology, mines of the future can remove more carbon than they emit, becoming massive carbon sinks. Now there’s something to be positive about.

    Team

    Paul Needham

    CEO

    Paul Needham

    CEO

    Paul is a multi-time company founder and CEO, with three exits. Prior to taking the helm at Arca, he built an 850-person rural rooftop solar leasing company in India. He also serves as a board member and senior advisor in the environmental markets sector. He loves rocks, both carbonating them and stacking them.

    Greg Dipple

    Head of Science & Co-founder

    Greg Dipple

    Head of Science & Co-founder

    Greg is the global leader in the field of carbon capture in mine tailings. A professor at the University of British Columbia, he studies the processes of and the driving forces for mineral-fluid reactions, including those that modulate long-term climate through chemical weathering. He has worked extensively with the mining industry, building long-term relationships through his expertise and dad jokes (we assume). Read more

    Peter Scheuermann

    Head of Technology & Co-founder

    Peter Scheuermann

    Head of Technology & Co-founder

    Peter is driven by using science to solve problems, to apply his expertise in novel and practical ways. He holds a doctorate in aqueous geochemistry and is an expert in the chemical reactions between minerals, gases and fluids. He now directs his expertise toward leading our technology R+D in perhaps one of the most useful fields of our time. When not in the office, he excels at bear and moose spotting.

    Bethany Ladd

    Head of Operations & Co-founder

    Bethany Ladd

    Head of Operations & Co-founder

    Bethany is a master of many trades and a professional multi-tasker. With a bachelor’s in geology-biology and a master’s in hydrogeology, and a passion for making things happen, she built a career running applied, interdisciplinary research projects. She now leads the company’s technical and commercial operations, often booking herself in for field work shifts when she’s tired of the office.

    Sean Lowrie

    Head of External Affairs

    Sean Lowrie

    Head of External Affairs

    Sean came to the Arca team from the humanitarian aid sector, where he previously mobilized $400M as the CEO/Director of the Start Network. From the front lines of aid work to disrupting the status quo of humanitarian aid systems, Sean now embarks on creating change through carbon removal as our lead in public policy and strategic partnerships. His favorite mantra: optimism is a choice.

    We need bright minds,
    to build a brighter future

    We’re always looking for passionate people who want to join our fight for a livable planet.

    Job opportunities