What Ever Happened To The Hole In The Ozone Layer? Around 30 years ago, scientists found a massive and growing hole in the ozone layer. How’s it doing today? November 3, 2017 Education, Human Share This Video Tweet Share Share Email Related Videos Antarctic Permafrost Documentary National Geographer Watch in 2019 Environment, Human Antarctic Permafrost Documentary National Geographer Watch in 2019 Taking on Hawaii’s Plant Extinction Crisis Ecology, Environment, Human Taking on Hawaii’s Plant Extinction Crisis Cruising: A Dirty Secret Education, Environment Cruising: A Dirty Secret
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