Construction waste comes in many forms. From scrap materials such as wood, brick, metal and asphalt during construction to broken glass, concrete and rocks during demolition. Some of these materials ...

Cutting through re-inforcement bars during the dismantling a section of footbridge. (Photo by Steve Aland/Construction Photography/Avalon/Getty Images) The question ...

Every year, billions of cigarette butts are discarded worldwide, creating one of the most pervasive and persistent forms of ...