Earth’s ozone layer is healing

Benjamin Butterworth     2 hours Tuesday November 6th 2018   
 


	
		
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Knowing it'll take unprecedented levels of social change to combat global warming, the report even provides a glimmer of hope. This sounds like a private sector CEO's statement at a shareholder's meeting.

"I'm seeing firsthand how seriously this body, the United Nations, the delegates to the MOP, governments, scientists, NGOs, all of them, take this issue of increased CFC emissions", Stephen Montzka, a scientist with NOAA and an attendee at this week's meetings, told UPI. If the current recovery rate continues, parts of the ozone could be fully repaired by the 2030s.

This means that when the hole is totally closed, the Earth's protective ozone layer will actually worsen human-induced climate change, according to the scientists.

"The Montreal Protocol is one of the most successful multilateral agreements in history for a reason", said the head of UN Environment, Erik Solheim.

The measures taken to fix the damage will also have an important beneficial effect on climate change, as some of the gasses that caused the ozone layer to thin and in places disappear also contribute to warming the atmosphere.

Good news came from a place nearer the stratosphere, 10,000 feet above sea-level in Quito, the capital of Ecuador.

Satellite and ground-level observations by NASA, the NOAA, the European Space Agency and scores of the weather stations around the globe have clearly divulged that the world is now safer than what it was in 1980s - at least from a deadly attack of the UV rays. The global community has worked collectively to achieve this result.

If CFC-11 emissions continued at the same rate, return of mid-latitude and polar ozone-depleting chemicals to their 1980 values would be delayed by about 7 and 20 years, respectively, the report said.


The ozone layer appears to be healing itself, after years of depletion due to harsh man-made chemicals.

Pablo Campana, minister of Production, Foreign Trade and Investment, stated at the opening ceremony that 'being the venue of the Meeting of the Parties shows our country's compliance with the Montreal Protocol, and this is an ideal formu to spread the commitment by the national government to the industrial and sustainable development.

On January 1, 2019, riding on the white-horse of success, the Montreal Protocol will enter in the arena of climate change. That is the Kigali Amendment, a strengthening of green initiative agreements that'll "slash" the use of climate-warming gasses in refrigerators, air conditioners, and other products around the world.

This agreement is now projected to reduce future global average warming in 2100 due to hydrofluorocarbons (HFCs) from a baseline of 0.3-0.5-degrees C to less than 0.1-degree C. Cross your fingers all goes as planned.

"We are only at a point where recovery may have started", Toon said, pointing to some ozone measurements that haven't increased yet.

The IPCC report offered the clearest evidence to date of the drastic difference between the 1.5°C and 2°C scenarios.

The latest false-color view of total ozone over the Antarctic pole, November 4, 2018.

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