Noise pollution: Hear the rustle of grass? Not so much now in U.S. parks

Outlet: Spokane Spokesman-Review

Spokane Spokesman-Review: That increase can harm wildlife, making it harder for them to find food or mates, and make it harder for people to hear those natural sounds, the researchers said. Colorado State University biologist George Wittemyer said people hear only half the sounds that they would in natural silence.