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post #81 of 223 (permalink) Old 06-05-2007, 02:28 AM
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Yeah but China is the worlds shittiest polluting nation in every respect. They've earned that through industrious slavery adherence to not giving a fuck other than to satisfying our craving for cheaper widgets.
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post #82 of 223 (permalink) Old 06-05-2007, 08:16 AM
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I know this is a couple of years old but there was never any more heard. Was it debunked?

Clearing smog has led to 'global brightening' - earth - 05 May 2005 - New Scientist

Clearing smog has led to 'global brightening'
19:00 05 May 2005
NewScientist.com news service
Fred Pearce

The efforts of industrialised nations to cut smog pollution has had a bizarre side-effect - accelerating global warming.

New data show that after years of getting smoggier, our skies have become clearer since about 1990. And one effect has been to allow more solar radiation to reach the surface of the Earth.

The phenomenon known as “global dimming” has gone into reverse, according to research by Martin Wild at the Institute for Atmospheric and Climate Science in Zurich, Switzerland, and been replaced by “global brightening” (Science. vol 308, p 847). “There is no longer a dimming to counteract the greenhouse effect,” he told New Scientist.

Climate scientists say there have been two critical influences on global air temperatures in the past half-century. First, rising atmospheric concentrations of heat-trapping gases like carbon dioxide have warmed the Earth, by preventing more of the heat that reaches the Earth’s surface from escaping back into space.

But a parallel increase in smog particles has shaded the planet, partly offsetting the warming. Past studies have shown an increase in average aerosol particle levels in the atmosphere between 1960 and 1990 that were sufficient to reduce solar radiation reaching the Earth’s surface by about 5%.

The net effect of these two conflicting influences has been a warming of almost 0.5°C since 1960. But the rising levels of aerosols have led to concern that they might be masking greater underlying warming. And now the mask appears to be coming off.

Satellite corroboration
Wild’s new data - assembled from measurements of surface radiation made round the globe - show a widespread reduction in aerosols in the atmosphere since around 1990. His findings are corroborated by satellite data reported by Rachel Pinker, a meteorologist at the University of Maryland at College Park, US, in the same issue of Science (v 308, p 850).

The main cause of the global brightening, says Wild, is the clean-up of air pollution, especially in Europe and the former Soviet Union, where industrial decline has also played a role.

But the same trend emerges in data from North America, Australasia, Japan and, most recently, in China, where smogs have been reduced despite swift industrialisation. The exceptions, where dimming continues to worsen, are mainly in South Asia and Africa.

So should the world hurriedly reinstate smogs to stop global warming from accelerating? Probably not, as Wild points out that carbon dioxide lasts in the atmosphere for a century or more, whereas aerosols typically hang around for only a few days. So as carbon dioxide accumulates in future decades, we would need ever-thicker smogs to counteract it.

And another Science paper reports that current smog levels kill half a million people worldwide each year from heart and lung diseases.

*************
Other links
RealClimate » Global Dimming may have a brighter future Un avenir brillant pour l’assombrissement global ?
BBC NEWS | Science/Nature | Air trends 'amplifying' warming

Quis custodiet ipsos custodes?

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post #83 of 223 (permalink) Old 06-21-2007, 09:41 AM Thread Starter
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post #84 of 223 (permalink) Old 06-22-2007, 01:32 AM
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The Czech President has a wonderful way with words, and credibly answered all those questions in a really clear headed manner.
Sad to report that Augie (refer Jayhawks earlier thread post) died a couple of weeks ago while on holiday in Australia. The world has lost a wonderfully talented 'weatherman'.
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post #85 of 223 (permalink) Old 06-27-2007, 04:50 PM
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More global cooling evidence in Johannesburg, South Africa today.

VOA News - Johannesburg Gets First Snow Since 1981
The first measureable snowfall in almost 26 years has blanketed Johannesburg, South Africa, closing roads, delaying flights and claiming at least one life.

Weather officials say as many as 10 centimeters of snow fell over the area Tuesday night and early Wednesday. Children were seen playing in area parks, while others were saving snowballs as souvenirs of the fast-melting snow.

The officials say the last recorded snowfall for the area was in September of 1981. Temperatures Wednesday dipped below freezing in several areas.

Aviation officials say flights at Johannesburg (O.R. Tambo) International airport were delayed for up to three hours while planes were de-iced.

Emergency officials say they found a homeless man dead in Johannesburg's city center. They say the man died from exposure.

Several major roads were closed due to the snow, but transportation officials have reported only minor accidents.
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post #86 of 223 (permalink) Old 07-10-2007, 08:50 AM
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Even MORE global cooling evidence, today from Argentina.

WORLD Magazine | Weekly News, Christian Views
BUENOS AIRES, Argentina (AP) -- Thousands of Argentines cheered and threw snowballs in the streets of Buenos Aires on Monday as the capital's first major snowfall since 1918 spread a thin white mantle across the region.

Wet snow fell for hours in the Argentine capital, accumulating in a mushy but thin white layer late Monday, after freezing air from Antarctica collided with a moisture-laden low pressure system that blanketed higher elevations in western and central Argentina with snow.

"Despite all my years, this is the first time I've ever seen in snow in Buenos Aires," said Juana Benitez, an 82-year-old who joined children celebrating in the streets.

Argentina's National Weather Service said it was the first major snow in Buenos Aires since June 22, 1918, though sleet or freezing rain have been periodically reported in decades since.

One man stripped to his shorts to welcome the snow. Children scraped snow off cars and threw snowballs. Motorists honked horns, some with small snowmen on their hoods. Some fender benders were reported on slick suburban streets.

The storm struck on Argentina's Independence Day holiday, adding to a festive air and prompting radio stations to play an old tango song inspired by the 1918 snowfall, "What a night!"

"This is the kind of weather phenomenon that comes along every 100 years," forecaster Hector Ciappesoni told La Nacion newspaper. "It is very difficult to predict."

The snow followed a bitter cold snap in late May that saw subfreezing temperatures, the coldest in 40 years in Buenos Aires. That cold wave contributed to an energy crisis and 23 deaths from exposure.

Two more exposure deaths were reported on Monday.
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post #87 of 223 (permalink) Old 07-10-2007, 09:28 AM
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You think incidental weather is evidence of cooling, what about the heatwaves in the east and west coasts, eh? Shows you the idiocy of basing your conclusion on a single phenomenon.

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post #88 of 223 (permalink) Old 07-10-2007, 10:02 AM
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Quote:
Originally Posted by old300D
You think incidental weather is evidence of cooling, what about the heatwaves in the east and west coasts, eh? Shows you the idiocy of basing your conclusion on a single phenomenon.
You and others seem to think incidental weather is proof of warming. What about the cooling in other parts of the world? I can use the same argument. Funny you mention the idiocy of basing one's conclusion on a single phenomenon.

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post #89 of 223 (permalink) Old 07-10-2007, 10:05 AM
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Quote:
Originally Posted by old300D
You think incidental weather is evidence of cooling, what about the heatwaves in the east and west coasts, eh? Shows you the idiocy of basing your conclusion on a single phenomenon.
Thank you for illustrating my point so succinctly.
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post #90 of 223 (permalink) Old 07-10-2007, 10:32 AM
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Thank you for illustrating my point so succinctly.
You are welcome.

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