PM2.5 readings are commonly included by environmental authorities and companies in their air quality reports. These readings refer to particulate matter that is less than 2.5 micrometers in diameter. Because of their small size, PM2.5 particles can only be detected with an electron microscope. PM2.5 particles enter the air through...

Asbestos occurs naturally, and it has been used as a building material since the early 1950s. It serves an important function as an insulator. It effectively regulates temperature and keeps heat in and cold out. The chemical composition of asbestos gives it good fire and corrosion protection properties. Businesses that...

Air pollution extends far beyond industries and manufacturing plants. The consequences of rapid urban development have plagued the air we breathe, and this is true for the air quality in most homes. The Environmental Protection Agency (EPA) says that despite our efforts to clean the atmosphere during the late 1900s,...

Millions of Americans are allergic to the air around them, and come spring, they begin showing several symptoms such as runny noses, itchy and watery eyes, wheezing, sneezing, coughing and rashes – the list just goes on. The truth is that the ambient air surrounding us in urban areas is...

While our lungs are properly equipped to deal with naturally occurring pollutants present in the ambient air, such as dust, dirt, small sediments and gases, they are virtually defenseless against environmental disasters influenced by civilization. Our lungs are equipped with several tools to control and regulate exposure to contaminants; these...