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May 22, 2022

Ozone layer over Arctic experiences record loss

The fragile ozone layer shielding our planet from ultraviolet rays has deteriorated to unprecedented lows over the Arctic, the UN weather agency said Tuesday, quoted by CTV. The ozone in the Arctic has depleted by about 40 per cent from the winter’s start through to late March – exceeding the previous seasonal loss of about 30 per cent, the World Meteorological Organiza­tion said. The group said it appears that two factors are at play: a very cold winter in the stratosphere over the region; and the continuing presence of ozone-destroying chemicals in the atmosphere, such as fire retardants and coolants.

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