21:00The ReunionBritish Antarctic SurveyBBC Radio 4 Duration: 45 minutes Sun 29th Jun 2014, 21:00 on BBC Radio 4 ExtraAvailable for over a yearListen now4 Extra Debut. Sue MacGregor reunites the British scientists who discovered the hole in the ozone layer in the mid-1980s. From April 2007.GenresFactualLife StoriesBrandThe Reunion Source: BBC Online