Year in review: Ozone hole officially on the mend
Montreal Protocol now covers climate-warming replacements too
![Ozone hole](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/12/9_122416_ozone_main.jpg?fit=860%2C460&ssl=1)
A study reported this year confirms that the Antarctic ozone hole is healing. Blue and purple represent areas with the least ozone in this depiction of total ozone from September of this year.
NASA Ozone Watch