Ozone Timeline

  • The Dramatic loss of the Ozone

    they noticed the Dramatic loss of ozone in the lower stratosphere over Antarctica was first noticed in the 1970s
  • In 1994 the ozone decressed even more than in the 1970's

    By 1994, the total ozone in October was less than in the 1970's
  • documentation of the antartic Ozone hole

    In 1985 The British Antarctic Survey's first documentation of the Antarctic ozone hole
  • expirement SESAME

    In 1994 and 1995 European scientists conducted SESAME which was an expiremant