You must be wondering what a sick building means? This is s a serious problem with buildings these days so read on! This real problem exits in Singapore and the world over that needs not only public awareness you also need to know who to consult and how to curb the problem. Mold and Fungus growth indoors is a symptom of a sick building. The World Health Organization reported as far back as in 1984 that up to 30% of new and remodeled buildings had occupants that complained due to poor air quality. This may be because buildings were designed without consideration for indoor air quality, or the building is being operated differently from how it was designed, resulting in poor air conditions.