<x-tad-bigger>Forwarded with Compliments of Free Voice of America (FVOA): Accurate News and Interesting Commentary for Amerika's Huddled Masses Yearning to Breathe Free. NOTE: This piece is actually refreshing because in pimp/whore corporate journalism about climate destabilization (for which the obscene euphemism is "global warming") it is so rare to find any warning about the dynamic of vicious cycling; here we see the Occident's puerile linear logic at its very most unfortunate, for circularity is inherent in other traditions of logic--cf., Lili Abegg's THE MIND OF EAST ASIA. -- kl, pp
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From: "Graham Jukes" <[EMAIL PROTECTED]>
Date: February 17, 2006 5:04:11 AM EST
Subject: GLOBAL WARMING '30 TIMES QUICKER THAN IT USED TO BE'
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<x-tad-bigger> </x-tad-bigger><x-tad-bigger>http://tinyurl.com/8wo7o</x-tad-bigger>

<x-tad-bigger>THE INDEPENDENT - UK - ENVIRONMENT </x-tad-bigger>

<x-tad-bigger> GLOBAL WARMING '30 TIMES QUICKER THAN IT USED TO BE'

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<x-tad-bigger> </x-tad-bigger>By Steve Connor


<x-tad-bigger>17 February 2006 - </x-tad-bigger>
<x-tad-bigger>Greenhouse gases are being released into the atmosphere 30 times faster than the time when the Earth experienced a previous episode of global warming. </x-tad-bigger>

<x-tad-bigger>A study comparing the rate at which carbon dioxide and methane are being emitted now, compared to 55 million years ago when global warming also occurred, has found dramatic differences in the speed of release.</x-tad-bigger>

<x-tad-bigger>James Zachos, professor of earth sciences at the University of California, Santa Cruz, said the speed of the present build-up of greenhouse gases is far greater than during the global warming after the demise of the dinosaurs.</x-tad-bigger>

<x-tad-bigger>"The emissions that caused this past episode of global warming probably lasted 10,000 years," Professor Zachos told the American Association for the Advancement of Science at a meeting in St Louis. "By burning fossil fuels, we are likely to emit the same amount over the next three centuries."</x-tad-bigger>

<x-tad-bigger>VICIOUS CIRCLES OF WARMING</x-tad-bigger>

<x-tad-bigger>He warned that studies of global warming events in the geological past indicate the Earth's climate passes a threshold beyond which climate change accelerates with the help of positive feedbacks - vicious circles of warming.</x-tad-bigger>

<x-tad-bigger>Professor Zachos is a leading authority on the episode of global warming known as the palaeocene-eocene thermal maximum, when average global temperatures increased by up to 5C due to a massive release of carbon dioxide and methane.</x-tad-bigger>

<x-tad-bigger>His research into the deep ocean sediments suggests at this time about 4.5 billion tons of carbon entered the atmosphere over 10,000 years. This will be the similar amount of carbon released into the atmosphere from cars and industrial emissions over the next 300 years if present trends continue, he said.</x-tad-bigger>

<x-tad-bigger>Although carbon can be released suddenly and naturally into the atmosphere from volcanic activity, it takes many thousand of years for it to be removed permanently by natural processes. The ocean is capable of removing carbon, and quickly, but this natural capacity can be quickly overwhelmed, which is probably what happened 55 million years ago.</x-tad-bigger>

<x-tad-bigger>"IT WILL TAKE TENS OF THOUSANDS OF YEARS BEFORE ATMOSPHERIC CARBON DIOXIDE COMES DOWN TO PRE-INDUSTRIAL LEVELS," THE PROFESSOR SAID. "EVEN AFTER HUMANS STOP BURNING FOSSIL FUELS, THE EFFECTS WILL BE LONG-LASTING."
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<x-tad-bigger>[end] - The Independent - UK - Url.: http://tinyurl.com/8wo7o</x-tad-bigger>


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