Slippery when wet! Those words of caution may be most familiar in the context of hospital and airport floors, but they also apply to porch stairs and backyard decking. Rain, sleet, ice, snow, and even ...

I need to redo a portion of my lawn. The soil's pretty bad... about a half-inch of topsoil over heavy clay subsoil. I assume I'll need to improve the soil before replanting new grass. To preserve ...

Our built world is full of dirty secrets. So many of the things we imagine to have little impact on our environment turn out to be remarkably unsustainable. Concrete, bricks, asphalt—we encounter ...