Get latest articles and stories on Science at LatestLY. Although the ozone hole over Antarctica is well known, few people are aware that the protective ozone in the stratosphere periodically breaks down over the Arctic, depleting the ozone layer there. Prior to that, it occurred in the spring of 2011 and most recently in the months of spring 2020. Science News | Research: Ozone Depletion over North Pole Causes Weather Anomalies.