By Irina Petropavlovskikh, Secretary of the International Ozone Commission and a CIRES and NOAA scientist  September 16 is the International Day for the Preservation of the Ozone Layer, celebrating the 1987 anniversary of the Montreal Protocol on Substances that Deplete the Ozone Layer. The Montreal Protocol is the globally ratified treaty that controls the production… Read More

By Patrick Cullis, CIRES and NOAA scientist  Every year, before the Antarctic Ozone Hole begins to form early in the austral spring, preparation is ongoing for a new crew getting ready to spend a year living and working at the South Pole Station. The crew needs to arrive at the South Pole ready to carry on… Read More