Sentences with phrase «seasonal hole in the ozone layer»

Good news for fans of planet Earth: The seasonal hole in the ozone layer over Antarctica was at its second - smallest point in the past 20 years, according to new research from NASA and the National Oceanic and Atmospheric Administration (NOAA).

The Arctic ice pack is thinning, and in many years there is also a seasonal hole in the ozone layer.

Not exact matches

In the mid-1980s, scientists discovered that a seasonal hole was forming in the ozone layer over the South PolIn the mid-1980s, scientists discovered that a seasonal hole was forming in the ozone layer over the South Polin the ozone layer over the South Pole.