Concrete may seem a simple mixture. It's typically created using cement, water, sand, gravel, and air. It's important to note, however, that the so-called 4-2-1 rule for concrete is a very broad ...

In 2014, hundreds of Angelenos gathered downtown to watch more than 2,000 trucks pour concrete into a vast hole. During that event, Los Angeles set a world record: 80 million pounds of concrete were ...

Forbes contributors publish independent expert analyses and insights. Jamie Hailstone is a U.K-based reporter, who covers sustainability. Every sector has its own set of challenges when it comes to ...