
Scientists are finding that indoor air sometimes has higher levels of pollution than outside air. This can even be true in energy-efficient, airtight homes that do not bring in fresh air with an air exchanger. One of the most common villains is cigarette smoke, but among others are radon, a naturally occurring radioactive gas, formaldehyde, used in manufacturing carpets and plastic, and carbon monoxide, a product of burnt fuel. These pollutants can adversely affect your health, so if you'd like to breathe easier, call EPA's Indoor Air Information Clearinghouse at (800) 438-4318. [:36]
The EnvironMinute is produced in cooperation with the National Safety Council and made possible by the Teresa and H. John Heinz III Foundation. [:10]
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