-
they noticed the Dramatic loss of ozone in the lower stratosphere over Antarctica was first noticed in the 1970s
-
By 1994, the total ozone in October was less than in the 1970's
-
In 1985 The British Antarctic Survey's first documentation of the Antarctic ozone hole
-
In 1994 and 1995 European scientists conducted SESAME which was an expiremant
Want to make a timeline like this?
Use Timetoast to turn dates, events, milestones, and phases into a clear visual timeline you can build and share. Timetoast is a timeline maker for work, school, research, and stories.