Mold is a part of the natural environment, and can be found everywhere. Mold is not usually a problem, unless it begins growing indoors. Mold is defined by WebMD as "Mold is a type of fungus that consists of small organisms found almost everywhere. They can be black, white, orange, green, or purple. Outdoors, molds play an important role in nature, breaking down dead leaves, plants, and trees. Molds thrive on moisture and reproduce by means of tiny, lightweight spores that travel through the air".
Microscopic mold spores exist naturally almost everywhere, indoors and outdoors, so removing all mold from a home or business is impossible. The three factors that keep mold from every going away is relative humidity, temperature, and poor ventilation. These factors are what help mold grow but once the harmful mold is take care of by professionals, controlling these are what can help reduce the chance of the harmful mold returning. Majority of the time small amounts of mold, clean up can be done yourself but when it comes to large amounts of areas or more serious types of mold, a professional needs to be called. Consider the following mold facts:
There is no practical way to eliminate all mold and mold spores in the indoor environment; the way to control indoor mold growth is to control moisture.
Mold spores are microscopic and float along in the air, and they may enter your home through windows, doors, or AC/heating systems or even hitch a ride indoors on your clothing or a pet.
Mold spores thrive on moisture. Mold spores can quickly grow into colonies when exposed to water.
Even higher than normal indoor humidity can support mold growth. Keep indoor humidity below 45 percent.