A South Florida startup is creating a formula to absorb CO2 using concrete. “We use special minerals from nature that actually give concrete the ability to attract CO2 like a magnet into the concrete and then permanently store it inside there,” explained Tim Sperry, founder of Carbon Limit. Carbon Limit’s technology, called CaptureCrete, is a carbon-negative powder that can be added to concrete. The company licenses its formula to cement and concrete producers and manages the carbon credit generation process. “We're using the world's second most used material to capture CO2. It's just a no-brainer,” Sperry said.

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