
Neustark is a carbon removal company developing mineralization technology that captures biogenic CO₂ and permanently stores it in recycled mineral waste such as demolished concrete, slag, and bottom ash. Its model works with biogas plants as CO₂ sources, recyclers as storage partners, and buyers of carbon removal credits, turning construction waste streams into durable carbon sinks.
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Permanent carbon removal through mineralizing CO₂ in recycled mineral waste.