Animals rely heavily on their ability to hear minute natural noises – the movement of predators, the trickle of a stream. Noise pollution may cover up those sounds, putting wild creatures at risk.

Noise characterized by non-periodic or random pulses. The average time between pulses is called the rustle time, and when this is less than 0.3 ms, the result is white noise. Many natural and ...

Noise barriers made from trees and other plants can provide a respite from unwanted noise pollution. When strategically placed by a roadway, in a backyard, or in a park, trees help reduce pesky noises ...