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#12781 - 08/20/06 07:41 AM Ozone won't recover until 2065
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GENEVA, Switzerland (AP) -- The atmosphere will take up to 15 years longer than previously expected to recover from pollution and repair its ozone hole over the southern hemisphere, the United Nations' weather organization said Friday.

Thinning in the ozone layer -- due to chemical compounds leaked from refrigerators, air conditioners and other devices -- exposes the Earth to harmful solar rays. Too much ultraviolet radiation can cause skin cancer and destroy tiny plants at the beginning of the food chain.

Scientists said Friday it would take until 2065, instead of 2050 as previously expected, for the ozone layer to recover and the hole over the Antarctic to close.

"The Antarctic ozone hole has not become more severe since the late 1990s, but large ozone holes are expected to occur for decades to come," ozone specialist Geir Braathen told reporters in summarizing a new report by the World Meteorological Organization and the U.N. Environment Program. The report will be released next year.

The ozone hole, a thinner-than-normal area in the upper stratosphere's radiation-absorbing gases, has formed each year since the mid-1980s at the end of the Antarctic winter in August, and generally is at its biggest in late September.

Experts said they extended the projected recovery because chlorofluorocarbons, or CFCs, would continue to leak into the atmosphere from air conditioners, aerosol spray cans and other equipment for years to come.

But there was cause for celebration, they said, noting a decline in CFCs in the first two atmospheric layers above Earth.

"The level of ozone-depleting substances continues to decline from its 1992-1994 peak in the troposphere and the late 1990s peak in the stratosphere," WMO secretary-general Michel Jarraud said in a statement.

Less of these chemicals are used every year, he said, after 180 countries in 1997 committed to reducing CFCs under the Montreal Protocal.

"This shows that the Montreal Protocol is effective and is working," he said.

Last year, the ozone hole reached about 27 million square kilometers (10 million square miles) on September 20 -- just below its largest size in 2003 of about 29 million square kilometers (11.2 million square miles), WMO experts said.

Source


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#12782 - 08/29/06 03:46 AM Re: Ozone won't recover until 2065
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#12783 - 08/29/06 04:28 AM Re: Ozone won't recover until 2065
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nope, we're way too dumb of a race. we'll blow ourse;ves up before we even make it there so dont give us too much credit...


*Hell hath no fury like a womens anger and damn be the fool who gets in her way*

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#12784 - 09/06/06 09:48 PM Re: Ozone won't recover until 2065
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but blowin stuff up is fun (evil laugh)

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#12785 - 09/06/06 10:59 PM Re: Ozone won't recover until 2065
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yes it is but i would like to live forever :p


*Hell hath no fury like a womens anger and damn be the fool who gets in her way*

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#41091 - 10/16/06 08:25 AM Re: Ozone won't recover until 2065 [Re: IceMyst]
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living forever is overated


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#41093 - 10/16/06 11:09 AM Re: Ozone won't recover until 2065 [Re: Artic Warrior]
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I woudln't mind living forever... Immagine the knowledge that you could amass... or the history that you could be involved in and live through...


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#41095 - 10/16/06 01:41 PM Re: Ozone won't recover until 2065 [Re: Gremelin]
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I quote from Alexander that the gods envy us, because everything is much more beautiful when you are mortal.


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#41102 - 10/16/06 09:42 PM Re: Ozone won't recover until 2065 [Re: Artic Warrior]
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Yes, but being nieve isn't an excuse to look at something differantly, unless you seek to see through the eyes of a child...


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#41106 - 10/17/06 07:14 AM Re: Ozone won't recover until 2065 [Re: Gremelin]
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I don't want to live forever, thats not being naive, I really do think its true that the world is a much more beuatiful place when you have a limited time to enjoy it. Accept your fate.


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#41108 - 10/17/06 08:16 AM Re: Ozone won't recover until 2065 [Re: Artic Warrior]
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Fate is just a lie given to you by the church...


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