October 23, 2021

Beyond Going Long

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The ozone hole is larger than the whole of Antarctica. It outperformed most of its predecessors

Copernican scholars, which monitors the Earth’s atmosphere and the Earth’s surface as a whole, reported the current state of the ozone hole over Antarctica. It is larger than and even exceeds most of the ozone holes we have seen in recent years, Futurism writes.

They beat up to 75% of the previous holes

According to the graph, this year’s ozone hole is as large as last year. Since the start of the measurement in 1979, it has exceeded up to 75% of the observed holes and, as expected, increased even more towards the end of the season. It currently reaches approximately 27 to 28 million km2.

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Among other things, the graph shows the size of the ozone hole from 2019, which was less than half this year and last year. At the time, she was actually the youngest in the last 37 years.

In some places, this year’s ozone hole may overtake the 2020 hole, but a very similar path is expected. The ozone layer is very important and protects life on Earth from ultraviolet radiation.

This in large quantities is extremely harmful to most animals and plants. The ozone layer can filter it to approximately 99% and in the densest layers it consists of up to 8 ozone molecules for every other million molecules (molecules).

Layer is updated

The ozone hole is expanding mainly due to chlorine and bromine atoms which deplete the ozone layer. However, despite the size of the holes, Copernican experts claim that the ozone layer is gradually recovering.

The ozone hole over Antarctica in 2020. Source: European Space Agency

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The reason is the environmental regulation of chlorine and bromine chemicals. One of these regulations, for example, is the Montreal Protocol, which has been in force since 1987 and has been ratified by 197 countries around the world.

According to CNN Scientists expect that the ozone layer, located at an altitude of 15 to 35 kilometers above the Earth, will be completely restored by the 1960s or 1970s.

Are rescue hopes in vain?

Although the ozone layer may eventually recover and help us in a fundamental way, there has been no good news lately.

kolvas / freepik

According to the study Published in the journal Nature is The fight against global warming is unrealistic and oil and coal production will have to be stopped immediately in all countries. And this is really unrealistic, because there is no suitable alternative, especially for developing countries.

The study also suggests that we are on a “good” path to global warming of 2.5°C. To prevent such a catastrophe, we must ban CFCs, better known as Freon, as soon as possible.