Someone Is Still Making Banned Ozone Destroying Chemical

Posted: May 18 2018, 2:57am CDT | by , Updated: May 18 2018, 4:22am CDT, in News | Latest Science News

 
Someone is Still Making Banned Ozone Destroying Chemical
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  • Emissions of an ozone-destroying chemical are rising again

Emissions of Chlorofluorocarbons, or CFCs, were Banned Years Ago yet They are Secretly being Manufactured Today

CFCs were lauded as a victory for the science of chemistry. They were used in many items from spray cans to military hardware. Then came the big shock in 1987. A group of scientists found that these otherwise stable compounds were damaging the ozone layer.

They were causing an ozone hole to develop in the atmosphere which would leave the earth in a far worse state than its barren satellite, the moon. A declaration was ratified to ban the use of such chemicals which were a hazard to the environment.

The second most used CFC, termed CFC-11 was supposed to have been curtailed eight years ago. Yet such a step seems to have not been fully implemented.

Measurements of chemicals in the airs by NOAA show traces of CFC-11 to still exist in sufficient quantities in the atmosphere to cause considerable damage to the ozone layer.

“We’re raising a flag to the global community to say, ‘This is what’s going on, and it is taking us away from the timely recovery of the ozone layer,’” said NOAA scientist Stephen Montzka, the study’s lead author. “Further work is needed to figure out exactly why emissions of CFC-11 are increasing, and if something can be done about it soon.”

There are probably some companies which are manufacturing the deadly chemical in East Asia. Scientists are busy studying the presence of this chemical and they are going to provide information which will lead to the agencies which are making CFC-11.

The production ban was put in place in the 80s. CFC-11 is often released from foam-making factories. The old refrigerators and freezers also contain this chemical in small amounts.

All the nations of the world had agreed unanimously to put a ban on the manufacturing of these chemicals. Yet somewhere something went wrong and there are culprits who are still dealing with these harmful chemicals.

The CFC-11 concentrations are lower in the world but they have not decreased to the level that was expected. This shows that someone is not following the rules somewhere.

CFC-11 is still being made by some factories and it is evaporating into the atmosphere thereby causing extensive damage to the ozone layer.

The results of this study got published in the journal Nature.

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