Sea ice in the Arctic would be disappearing even faster had it not been for efforts to stop the ozone layer from being depleted (Photo: Julia Hager) The Montreal Protocol was adopted in 1987 in order to protect the ozone layer. An unpredicted side effect of its strict...
This image from the European Space Agency (ESA) shows a map of the ozone hole over the South Pole on September 16, 2021. (Foto: ESA) The hole in the ozone layer in the Southern Hemisphere has grown larger than usual this year, surpassing the entire ice-covered...
Alison Criscitiello, a glaciologist at the University of Alberta’s Canadian Ice Core Laboratory and author of the new study, drills an ice core from the ice cap of Devon Island, Nunavut, in the Canadian Arctic. Photo: Anja Rutishauser With the enforcement of the...
