Antarctic Ozone Hole Shows 1st Signs of Healing

Science & Technology

Antarctic Ozone Hole Shows 1st Signs of Healing

Postby deja vu on Sat Jul 02, 2016 11:52 am

More than 30 years after scientists first spotted a hole in the atmosphere's protective ozone layer over the South Pole, they are seeing the "first fingerprints of healing," researchers reported today (June 30). Measurements of the ozone hole taken in September revealed the breach has shrunk by more than 1.5 million square miles (4 million square kilometers) — about half the area of the contiguous United States — since 2000. The researchers attributed the ozone's recovery to the continuing decline of atmospheric chlorine originating from chlorofluorocarbons (CFCs). These chemical compounds, once commonly used in aerosols, dry cleaning and refrigerators, were banned when nations around the world signed the Montreal Protocol in 1987 in an effort to repair the ozone hole.

http://www.livescience.com/55250-antarc ... aling.html


There is still a long road to recovery for the ozone hole, the researchers said. The molecules that deplete ozone have very long life spans, and the study scientists estimate it will still be decades before complete recovery.

"We won't get back to pre-ozone-hole conditions for another 40-some years," study co-author Douglas Kinnison, a scientist at the National Center for Atmospheric Research in Colorado, told Live Science.



A long way to go, but it is a start. We need to do a better job and get more countries on board and stop openly polluting. They know who they are and yet despite warnings or getting them to implement change, they
keep at it day after day.
Turn it up, turn it up, little bit higher radio
Turn it up, turn it up, so you know, radio
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