Noise can damage your heart as well as your hearing, but there are ways to measure your exposure and reduce your risk. By Emily Baumgaertner Emily Baumgaertner measured noise levels in various ...

In the classroom, decibel levels can gradually increase without us realizing it, until they begin to affect the atmosphere: more difficult communication, nervous irritation, reduced concentration, etc ...

Share on Pinterest the_guitar_mann/Getty Images. Pollution occurs when a contaminant enters the environment, causing undesirable effects. There are several types of pollution, including: air pollution ...