NASA comes out with evidence on ozone layer healing

We all have heard about that massive hole in the ozone layer that was caused due to excessive use of various CFC releasing products. But according to a study by NASA there is a certain proof that the hole is now healing itself and is reduced in size.

This all was discovered in early 1980s when scientists discovered that refrigerants, sprays and other chemicals were giving rise to CFCs which were depleting the ozone layer. Well it was of a great worry to scientists as this ozone blocks all the harmful radiation from the sun providing protection to skin and eyes.

This raised alarm and all the nations signed a pact Montreal Protocol, which would phase out the use of ozone annihilating chemicals. This treaty is considered to be most successful environmental agreement in the history.



And now NASA has come up with the proof that the treaty is working. Using the data from the satellites form 2005 to 2016 NASA found out that the levels of Chlorine have reduced a lot.

Susan Strahan, an atmospheric scientist at NASA’s Goddard Space Flight Center, said:


We see very clearly that chlorine from CFCs is going down in the ozone hole, and that less ozone depletion is occurring because of it.

This is really great news but this has to be considered that this hole will take decades more to completely heal. This is said that it would be approximately be 2060 or 2080 until the hole completely diminishes and then only there is a certain chance that a tiny hole still persists.

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