An unusually strong polar vortex kept an ozone hole open over the North Pole for nearly a month — now, it’s finally shut again.
Source: https://www.livescience.com/arctic-ozone-hole-closes.html
Only the Autodidact is Free
An unusually strong polar vortex kept an ozone hole open over the North Pole for nearly a month — now, it’s finally shut again.
Source: https://www.livescience.com/arctic-ozone-hole-closes.html