Learn about the types of mold that can grow in your home, the health problems they can cause, and how to prevent and remove them. Find out how to tell if you have a mold problem and what to do if you have a mold allergy. Mold is defined as a common form of fungi that reproduces through the formation of spores and can grow on moist surfaces, potentially causing damage and adverse health effects. AI generated definition based on: Construction Hazardous Materials Compliance Guide: Mold Detection, Abatement and Inspection Procedures, 2012 Molds are beneficial to the environment and are needed to break down dead materials. Very tiny and lightweight, mold spores travel easily through the air. Most building surfaces can provide adequate nutrients to support the growth of mold . They are microscopically small plant-like organisms, composed of long filaments that grow over the surface of and inside nearly all substances of plant, food, dry leaf, or animal origin. They can be easily identified by the dusty little spots that spread ... Mold What to know Mold can look like spots of many different colors, and it can smell musty. If you see or smell mold , you should remove it. If mold is growing in your home, you need to clean up the mold and fix the moisture problem. Learn what mold is, how to prevent it, and how to clean it up.