Shhh. Hear The Rustle Of Grass? Not So Much Now In US Parks

WASHINGTON (AP) — The call of the wild is getting harder to hear.
A new study says peaceful, natural sounds are sometimes being drowned out by noise caused by people in many of America’s protected parks, forests and wilderness areas.
Researchers measured sounds at 500 spots — from city parks to federal wilderness. They calculated that in nearly two-thirds of the Lower 48’s parks, noise can at times be twice the natural background level because of airplanes, cars, logging,