Ozone layer still depleting, contrary to popular belief: Study

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By: IANS | London |
Published: February 6, 2018 7:19 pm


The new study showed that despite the ban on chlorofluorocarbons (CFCs), the concentration of ozone in the lower part of the stratosphere (15 to 24 km) – where the ozone layer is at its densest – has continued to decline. (Representational Image; Image Source: Keystone)

Contrary to expectations, the ozone layer which protects life on Earth from high-energy radiation is actually thinning out in the lower stratosphere, new research has found.

In the 20th century, when excessive quantities of ozone-depleting chlorinated and brominated hydrocarbons were released into the atmosphere, the ozone layer in the stratosphere – at altitudes of 15 to 50 km – thinned out globally. The Montreal Protocol introduced a ban on these long-lasting substances in 1989.

At the turn of the millennium, the loss of…

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