Mold is a fungus that can flourish with just three ingredients: moisture, oxygen, and organic material. At its best, mold is an indispensable part of the circle of life. When plants and animals die, mold helps break down their remains so they can return to the earth. But mold can also be a hindrance. We…

Buildings used to breathe. It was inevitable and somewhat helpful, but it can make it more expensive to heat and cool those spaces with common central heating and cooling systems. When the oil embargo of the 1970s came along, building practices shifted to focus on more hermetically sealed buildings as a means to save energy….