Concrete is everywhere, right? We walk on it, drive on it, build our houses on it. But producing the ubiquitous construction material makes up a significant portion of global greenhouse gases that are ...

WEST LAFAYETTE, Ind. — Concrete is not glamorous. It is the workhorse of building materials: versatile, durable, and almost universally ubiquitous, with 30 billion tons of concrete produced every year ...

Add Yahoo as a preferred source to see more of our stories on Google. A close-up view of a mound of pea gravel - Suebsiri/Getty Images Mixing pea gravel with concrete is not only possible, it's ...