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The Conversation
The Conversation
Alcina Johnson Sudagar, Research Scientist in Chemistry, Washington University in St. Louis

Polymers from earth can make cement more climate-friendly

Earth
Portland cement, widely used for concrete, is responsible for about 8% of global greenhouse gas emissions. Photovs/iStock/Getty Images Plus

Concrete is all around you – in the foundation of your home, the bridges you drive over, the sidewalks and buildings of cities. It is often described as the second-most used material by volume on Earth after water.

But the way concrete is made today also makes it a major contributor to climate change.

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