Concrete, the second-most-used material on Earth, generates about four times more CO2 emissions than planes. MIDDLESBROUGH, England — Behold one of the world’s greatest slag heaps: A towering ...

The ancient Romans were masters of building and engineering, perhaps most famously represented by the aqueducts. And those still functional marvels rely on a unique construction material: pozzolanic ...

Cement and concrete are commonly mistaken for each other, but it’s important to know which is which. To help you remember, we’re detailing the differences: cement vs. concrete. After reading ...