Hole Ozone facts
While investigating facts about Hole Ozone Layer and Hole Ozone Layer Australia, I found out little known, but curios details like:
The hole in the ozone layer is expected to be completely healed by 2050 thanks to the Montreal Protocol signed in 1987, limiting the use of CFC's
how big is the hole in the ozone layer?
The ozone hole, which was first spotted 25 years ago, is close to closing
What happened to the hole in the ozone layer?
In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what happened to the hole in the ozone. Here are 17 of the best facts about Hole Ozone Australia and Hole Ozone Closing On Its Own I managed to collect.
what is ozone hole?
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Adventurer Robert Swan's eye color altered permanently from dark to light blue after walking through a hole in the ozone layer during his trek to the South Pole.
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The Ozone Hole Has Shrunken by 4 Million Square Kilometers Since 2000
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The holes in the ozone layer have been recorded above the Antarctica seasonally, as well as in other parts of the world.
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A hole in the ozone was discovered in the Antarctic in 1985. It is not an actual hole as many people believe, but it refers to a loss of 60% of the ozone that is usually present from September to November each year.
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The maximum daily ozone hole size in 2017 was recorded as the smallest it has been in 29 years. The last time it was smaller than it was in 2017 was in 1988 with an area of 13.8 million km squared.
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The hole in the ozone layer has begun shrinking since CFCs were banned after several nations signed the Montreal Protocol in the 80s.
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There is a protective "detergent" layer below the ozone and that there's a big hole in it.
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Nacreous (aka mother-of-pearl) clouds are rainbow-colored, polar stratospheric clouds that contribute to the formation of ozone holes
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A scientist named Thomas Midgley Jr. not only poisoned countless people by inventing a lead additive for petrol but also created dichlorodifluoromethane, a widely used CFC which contributed to the hole in Earth's Ozone layer.
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The hole in the ozone layer that i learned about in grade school has actually been starting to mend itself. Thanks everyone!
Why is the ozone hole over antarctica?
You can easily fact check why did we get a hole in the ozone layer by examining the linked well-known sources.
Mount Erebus (an antarctic volcano) is probably the primary cause of the southern ozone hole
The hole in the ozone layer is starting to shrink and we could be looking at a completely healed layer by 2050 - source
The National Oceanic and Atmospheric Administration (NOAA)—Climate Monitoring and Diagnostic Laboratory (CMDL) conducts research and continual surveillance on NOT ONLY the depletion of, but also the expected recovery of the global stratospheric ozone layer and Antarctic ozone hole. - source
The ozone hole is the smallest on record since its discovery !
The hole in the ozone layer is now larger than North America - source