A group of American researchers announced they'd 30-6 days found the first clear evidence about the ozone layer is thinning in Antarctica began to recover.
In the Antarctic ozone layer is recovering
Ozone Hole in Antarctic in 2006 was approximately 27.5 million km2 - Photo: NASA
The team of scientists said in January 9-2015 Ozone Hole in the region has about 4 million km2 smaller than in 2000.
Studies have documented the benefits of long-term phasing out of chemicals capable of destroying the ozone layer.
The study also shed light on the role of volcanoes in making the thinning of the ozone layer becomes worse.
For the first time, British scientists found that the thinning of the ozone layer in the stratosphere about 10km above Antarctica in the mid-1980s.
Ozone plays an important role because the block harmful ultraviolet rays from the sun down under the ground. Missing or thinning ozone layer will increase the risk of skin cancer, cataracts and harm to animals and plants on Earth.
In 1986, American researchers Susan Solomon has shown that ozone is destroyed by the presence of molecules containing chlorine (chlorine) and bromine (bromnine) in chlorofluorocarbons (CFCs). The gases present in everything from hairspray to refrigerators and air conditioning.
The reason the thinning occurs mainly in Antarctica is very cold because the place is full and very bright.
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