Concrete is one of the most versatile and strongest materials for construction. But have you ever considered that it’s also an eco-friendly “green” material? Precast concrete, in particular, is environmentally friendly in a variety of ways.
Dear EarthTalk: I’ve heard that making and installing concrete takes a big toll on the environment. What’s being done to clean up this industry? —Jenn Chadwick, Washington, DC The 20 billion tons of concrete produced around the world annually account for an estimated five to […]