Mar 20 Tuesday 2018 03:20 AM
It seems that 30 years of hard work is finally paying off. The ozone hole over Antarctica is finally depleting and environmentalists all over the world couldn't stop talking about it. The confirmation has been made by a team of scientists in MIT or the Massachusetts Institute of Technology, United States of America .
Ozone layer basically is a layer in our atmosphere that helps in absorbing ultraviolet rays reaching earth from the sun. These ultraviolet rays can cause skin cancer and many other skin related problems, if not treated on time. The natural thickness of this layer started to reduce some 30 years ago due to the release of many polluting gases like sulphur dioxide and chloro-fluoro-carbon (CFC). Due to this, many years later, big holes were formed in the ozone layer above Antarctica and Australia. To further prevent such, Scientists immediately requested countries to make efforts to reduce the release of these gases which included the signing of an International Treaty also. But finally, after 30 years of constant efforts, the ozone layer is coming back to its natural state over Antarctica. The recovery has happened mostly after the year 2000 A.D. and is at its best right now. However, we shouldn't become satisfied with it because it's only the hole that has been fixed. The thickness of the ozone layer is still not back to normal and will require a lot more effort than this.
The continuous efforts are like a motivation for all of us to solve one of the most pressing issues of the world i.e. Global Warming.
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