Up Next
Back to Show
PBS News Hour
Antarctic ozone hole believed to be shrinking
Scientists studying climate change in Antarctica reported this week that a hole in the protective ozone layer of the Earth’s atmosphere has shrunk. The discovery of the hole in the 1980s led to a worldwide phasing out of ozone-depleting chemicals once used in products from hairspray to air conditioners. Alexandra Witze, reporter for “Nature” Magazine, joins Hari Sreenivasan from Denver to discuss.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
26:45
April 27, 2025 - PBS News Weekend full episode
26:45
April 26, 2025 - PBS News Weekend full episode
57:46
April 25, 2025 - PBS News Hour full episode
57:46
April 24, 2025 - PBS News Hour full episode
57:46
April 23, 2025 - PBS News Hour full episode
56:44
April 22, 2025 - PBS News Hour full episode
56:44
April 21, 2025 - PBS News Hour full episode
26:45
April 20, 2025 - PBS News Weekend full episode
26:44
April 19, 2025 - PBS News Weekend full episode
57:46
April 18, 2025 - PBS News Hour full episode
57:46
April 17, 2025 - PBS News Hour full episode
57:46
April 16, 2025 - PBS News Hour full episode