WangShenglii, Although the #OzoneLayer is on track towards recovery, a hole over #Antarctica appears every year, peaking during September and October, when most biota is protected by snow and sea ice. Unfortunately, as an indirect effect of #ClimateChange, the hole is lasting longer, until well into the summer, damaging biodiversity.
Full @BBCWorld's article: https://www.bbc.com/news/science-environment-68906013