Today, Explained A concrete solution to climate change
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Dec 11, 2023 Chris Bataille, an energy researcher at Columbia's Center for Global Energy Policy, and Rick Fox, a retired NBA star and co-founder of the carbon-negative concrete company Partana, explore the environmental impact of cement production, a major contributor to carbon emissions. They discuss innovative solutions transforming concrete from a polluting material to a sustainable one. Fox shares his journey from professional sports to championing eco-friendly practices, while both guests highlight the urgent need for the construction industry to adopt greener alternatives.
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Cement's Carbon Footprint
- Cement production involves heating limestone to high temperatures, releasing CO2.
- This process makes cement a major contributor to carbon emissions.
Cement Plant Locations
- Cement production is geographically tied to limestone quarries due to the material's weight.
- Most major cities have cement plants near these quarries, often outside city limits due to pollution concerns.
Global Cement Production
- China produces over half of the world's cement due to rapid industrial growth.
- Developing countries will require substantial amounts of concrete for infrastructure, posing further emission challenges.