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Hole in the ozone layer is now closed

Record Arctic ozone hole now closed: UN  https://www.heraldsun.com.au/news/breaking-news/record-arctic-ozone-hole-now-closed-un/news-story/b0d4c72a9befb02c7ebc4ccc2e91a6c1

Reuters

May 2, 2020 Ozone depletion over the Arctic hit a “record level” in March, the biggest since 2011, but the hole has now closed, the UN World Meteorological Organisation (WMO) says.

The springtime phenomenon in the northern hemisphere was driven by ozone-depleting substances still in the atmosphere and a very cold winter in the stratosphere, WMO spokeswoman Clare Nullis told a UN briefing in Geneva.

“These two factors combined to give a very high level of depletion which was worse than we saw in 2011. It’s now back to normal again … the ozone hole has closed,” she said on Friday.

Nullis, asked whether less pollution during the pandemic had played a role, said: “It was completely unrelated to COVID.”

May 2, 2020 - Posted by | 2 WORLD, environment

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