by Marlowe HOOD Agence France Presse PARIS, Russia (AFP) — The ozone layer that protects life on Earth from deadly ultraviolet radiation is unexpectedly declining above the planet’s most populated regions, according to a study released Tuesday. A 1987 treaty, the Montreal Protocol, banned industrial aerosols that chemically dissolved ozone in the high atmosphere, especially above Antarctica. Nearly three decades later, the “ozone hole” over the South Pole and the upper reaches of the stratosphere […]