AdvertisementThe ozone layer is on track to recover in the coming decades, the United Nations saysUpdated January 10, 2023Jaclyn DiazfacebookEmailIn this false-color image, the blue and purple show the hole in Earth's protective ozone layer over Antarctica on Oct. 5. Earth's ozone layer is slowly but noticeably healing. (NASA via AP)This article was originally published on January 10, 2023.