Add Yahoo as a preferred source to see more of our stories on Google. Portland cement, widely used for concrete, is responsible for about 8% of global greenhouse gas emissions. Photovs/iStock/Getty ...

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 ...

It looks and feels like any other concrete. The same shade of gray, the same texture, the same weight. It does the job of concrete. But this is concrete on steroids, stronger and more durable. And ...