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Ozone hole above Antarctica is filling up, thanks to the success of Montreal Protocol

The Ozone layer is on track to mend itself within decades due to success of Monetreal protocol, finds a recent UN study. Take a look…

Moneycontrol News | January 12, 2023 / 14:32 IST
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In rare good news for the planet, Earth’s ozone layer is slowly, but surely, healing. According to a new United Nations report, the hole over Antartica may fully mend in about 43 years. (Image: News18 Creative)
In a rare good news for the planet, Earth’s ozone layer is slowly, but surely, healing. According to a new United Nations report, the hole over Antarctica may mend in full in about 43 years. (Image: News18 Creative)
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The global phaseout of ozone-depleting chemicals is benefitting efforts to mitigate climate change. (Image: News18 Creative)
The global phaseout of ozone-depleting chemicals is benefitting efforts to mitigate climate change. (Image: News18 Creative)
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There’s been a drop in levels of Chlorine and Bromine, the two most infamous players in ozone depletion. (Image: News18 Creative)
There’s been a drop in levels of Chlorine and Bromine, the two most infamous players in ozone depletion. (Image: News18 Creative)
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The ozone layer is part of the stratosphere which lies 10-50 kilometres above the surface of the Earth. (Image: News18 Creative)
The ozone layer is part of the stratosphere which lies 10-50 km above the surface of the Earth. (Image: News18 Creative)
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The ozone hole lies above Antartica. Between September and October, 2022, it spanned an average area of 23.2 million square kilometres. (Image: News18 Creative)
The ozone hole lies above Antarctica. Between September and October 2022, it spanned an average area of 23.2 million square kilometres. (Image: News18 Creative)
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The Antartica ozone hole grew substantially from the 1980s to the early 2000s. (Image: News18 Creative)
The Antarctica ozone hole grew substantially from the 1980s to the early 2000s. (Image: News18 Creative)
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The ozone layer has been steadily improving in the wake of the 1989 Montreal protocol, a global agreement to protect the Earth’s ozone layer by phasing out the chemicals that deplete it. (Image: News18 Creative)
The ozone layer has been improving steadily in the wake of the 1989 Montreal Protocol, a global agreement to protect the Earth’s ozone layer by phasing out the chemicals that deplete it. (Image: News18 Creative)
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Ozone-depleting gases are also potent greenhouse gases. According to a 2021 study in the journal Nature, without a ban the world could have seen additional warming of up to 1 degree Celsius. (Image: News18 Creative)
Ozone-depleting gases are also potent greenhouse gases. According to a 2021 study in the journal Nature, without a ban the world could have seen additional warming of up to 1 degree Celsius. (Image: News18 Creative)
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“Ozone action sets a precedent for climate action. Our success in phasing out ozone-eating chemicals shows us what can and must be done – as a matter of urgency – to transition away from fossil fuels, reduce greenhouse gases and so limit temperature increase,” Prof. Petteri Taalas, WMO Secretary general said. (Image: News18 Creative)
“Ozone action sets a precedence for climate action. Our success in phasing out ozone-eating chemicals shows us what can and must be done – as a matter of urgency – to transition away from fossil fuels, reduce greenhouse gases and so limit temperature increase,” Prof Petteri Taalas, WMO Secretary general, said. (Image: News18 Creative)

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