Mitsubishi Corporation & Alt Carbon sign agreement to scale carbon removal in South Asia

• Partnership agreement to scale carbon removal through a breakthrough Enhanced Rock Weathering tech process.
• Alt Carbon to generate high-quality, durable Carbon Removal (CDR) credits.

/EIN News/ -- LONDON, March 24, 2025 (GLOBE NEWSWIRE) -- Mitsubishi Corporation (MC), and Alt Carbon, a Carbon Dioxide Removal (CDR) company, announced a partnership agreement to scale the removal of carbon dioxide in South Asia. The agreement between the two parties will generate high quality, durable, carbon removal tons that have been created through a breakthrough Enhanced Rock Weathering (ERW) tech process.

“Removal of carbon dioxide is critical to meet net-zero emissions by 2050. With Alt Carbon, we have a formidable partner with highly innovative technology in a breakthrough Enhanced Rock Weathering process that locks carbon in the ocean sink. From removing carbon, helping local farmers, and stringent testing measures to generate CDR credits, Alt Carbon is uniquely positioned to capture the ERW market. MC's commitment to decarbonization is unwavering and reflects our dedication to a sustainable future, as we scale the CDR industry through our collaboration with Alt Carbon in ERW,” said Tadashi Sawamura, GM, Carbon Management Dept., Mitsubishi Corporation.

Alt Carbon deploys a process called ERW that takes crushed basalt rock and spreads it on large swathes of agricultural land. The rock’s natural reaction with rainwater pulls the CO2 from the air & stores it in the soil, thereby improving crop yields. This dissolved inorganic carbon ultimately reaches the ocean via river networks and remains locked in the ocean for 10,000+ years. 

ERW is one of the novel techniques for Carbon Removal (CDR) that has been advocated by the The Intergovernmental Panel on Climate Change (IPCC) as a critical tool for reaching Net Zero by 2050. Alt Carbon is tapping into the increased demand for high quality, durable, traceable, carbon removal projects – and it’s operating in a growing market. Alt Carbon’s in-house MRV, team of scientists from the Indian Institute of Science, Bangalore, and the Darjeeling-Climate Action Lab (D-CAL) make it one of the leading carbon removal companies in the Global South, ideally placed to remove CO2 at a gigaton scale.

“Having an institution like Mitsubishi Corporation recognise and support our efforts entrenches our belief in the science and technology behind ERW for carbon removal. In 15 months, we have rigorously tested and modelled our operations and technology in the single pursuit of removing carbon dioxide. This is just the first step, but it feels like a giant leap as MC partners with us to make India a hub for carbon removal,” said Co-founder & CEO Shrey Agarwal, Alt Carbon. 

Alt Carbon is the first Indian headquartered company to receive a prepurchase agreement from Frontier, an Advance Market Commitment to purchase $1+ billion of permanent carbon removal by 2030. As part of this agreement, Alt Carbon received $500,000 for the purchase of high quality, durable carbon removal tons that have been generated through the Enhanced Rock Weathering process. The participating buyers included Stripe, Shopify, Alphabet, Meta and Watershed (on behalf of Match). Alt Carbon also became the first ERW company globally to receive an offtake agreement from the South Pole & Mitsubishi-led NextGen buyer’s coalition.   

In order to meaningfully undertake climate action, we require gigaton level projects — i.e. projects that have a shot at removing 1 billion tons of CO2 every year. Alt Carbon is targeting reaching up to 500,000 hectares of land in North East India’s tea belt by 2030, as part of the Darjeeling Revival Project, removing upwards of 5 million tonnes of CO2 every year. Beyond that, the company aims to scale up its operations in South Asia to further work towards its goal of removing 1 billion tons of CO2, each and every year. 

Notes to the editor
Media images can be found here. For further information please contact the Alt Carbon press office: Adithya Venkatesan on adithya@alt-carbon.com or +91 94811 74420

About Alt Carbon
Alt Carbon is a co2 Removal (cdr) company based out of India transforming Darjeeling’s struggling tea industry from being at-risk from the effects of climate change, to becoming pioneers for climate action. Alt Carbon is on a mission to capture vast amounts of CO2 from the atmosphere. Its ambitious goal is to remove 5M MT of CO2 by 2030, with the ultimate aim of reaching a billion tons - for good. For more information please visit https://www.alt-carbon.com/ or follow via LinkedIn. 

Media Contact:

Name: Adithya Venkatesan

Company Name: Alt Carbon

Designation: Head of Brand

Email Address: adithya@alt-carbon.com

Website Link: https://www.alt-carbon.com/

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