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The ozone layer is on track to recover in the coming decades, the United Nations says

Jaclyn Diaz

Updated January 10, 2023

In 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.

The U.S. ratifies treaty to phase down HFCs, gases trapping 1,000x more heat than CO2

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