Antarctica`s seasonal ozone hole disappears
The seasonal "ozone hole" over the South Pole has disappeared again after reaching record size earlier this year, U.N. officials said. The hole is a thinner-than-usual area in the protective layer of
The seasonal "ozone hole" over the South Pole has disappeared again after reaching record size earlier this year, U.N. officials said. The hole is a thinner-than-usual area in the protective layer of