Ozone hole over Antarctica bigger than usual, scientists say – .

Ozone hole over Antarctica bigger than usual, scientists say – .

Scientists say the southern hemisphere’s ozone hole is larger than usual and already exceeds the size of Antarctica.
The European Union’s Copernicus atmosphere monitoring service said on Thursday that the ozone hole, which appears every spring in the southern hemisphere, has grown significantly over the past week. after an average start.

“Forecasts show that this year’s hole has become a rather bigger hole than usual,” said Vincent-Henri Peuch, who heads the EU’s satellite monitoring service.

“We envision a big enough and potentially this deep ozone hole,” he said.

Atmospheric ozone absorbs ultraviolet light from the sun. Its absence means that more of this high-energy radiation reaches Earth, where it can damage living cells.

Peuch noted that last year’s ozone hole also started off as a trivial matter, but went on to grow into one of the longest-lasting on record.

The Montreal Protocol, signed in 1987, led to the ban of a group of chemicals called halocarbons, accused of exacerbating the annual ozone hole.

Experts say it will likely take until the 2060s for ozone-depleting substances to be completely phased out.


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