The ozone hole is both an environmental success story and an enduring global threat
- Written by Shane Keating, Senior Lecturer in Mathematics and Oceanography, UNSW
Researchers release a balloon carrying instruments to measure ozone levels above Antarctica.Kelli-Ann Bliss/NOAA, CC BY
The headlines in recent months read like an international eco-thriller.
At Mauna Loa Observatory, perched high on a Hawaiian volcano, researchers measure unusual levels of CFC-11 in the atmosphere. The measurements baffle the...
Read more: The ozone hole is both an environmental success story and an enduring global threat

