Brimstone is a company that has developed a carbon-negative process for producing ordinary Portland cement and supplementary cementitious material. Founded in 2019 and based in Oakland, California, Brimstone's innovative technology employs carbon-free calcium silicate rock instead of traditional limestone, resulting in a product that matches the performance of conventional materials while remaining cost-competitive at scale. This advancement aims to provide the construction industry with a cleaner and more sustainable alternative to traditional cement production methods.
Matter. is a tech startup from Bristol, an innovation company that pioneers technology solutions for capturing, harvesting, and recycling microplastics. Their aim is to eliminate microplastic contamination at the source at the residential, commercial, and industrial levels.
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