Concrete is one of the biggest greenhouse gas emitters in the world, so scientists are developing new strategies to mitigate its climate impact. One of those strategies is to create a concrete ...

By displacing cement in concrete, fly ash from coal plants can eliminate a significant chunk of the material’s carbon footprint. PHNX Materials has devised a way to strip fly ash of sulfur and ...

The decorative urns were generally made of concrete or metal and often were placed in family plots. "Over time, a lot of them have been orphaned," Weiser said. About 30 urns are yet to be adopted.