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Enviromental Issues Discuss Environmental Issues here.

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Old 04-23-2008, 12:47 AM
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Exclamation Ice Age - Not Global Warming

Looks like the global warming skeptics were right after all...


Quote:
"SUNSPOT activity has not resumed up after hitting an 11-year low in March last year, raising fears that - far from warming - the globe is about to return to an Ice Age.

"Astronaut and geophysicist Phil Chapman, the first Australian to become an astronaut with NASA, said pictures from the US Solar and Heliospheric Observatory showed no spots on the sun.

"He said the world cooled quickly between January last year and January this year, by about 0.7C.

"This is the fastest temperature change in the instrumental record, and it puts us back to where we were in 1930," Dr Chapman writes in The Australian today.

"If the temperature does not soon recover, we will have to conclude that global warming is over."

"The Bureau of Meteorology says temperatures in Australia have been warmer than the 1960-90 average since the late 1970s, barring a couple of cooler years, and are now 0.3C higher than the long-term average.

"A sunspot is a region on the sun that is cooler than the rest and appears dark.

"Some scientists believe a strong solar magnetic field, when there is plenty of sunspot activity, protects the earth from cosmic rays, cutting cloud formation, but that when the field is weak - during low sunspot activity - the rays can penetrate into the lower atmosphere and cloud cover increases, cooling the surface.

"But scientists from the US National Centre for Atmospheric Research in Bolder, Colorado published a report in 2006 that showed the sun had a negligible effect on climate change.

"The researchers wrote in the journal Nature that the sun's brightness varied by only 0.07per cent over 11-year sunspot cycles, and that that was far too little to account for the rise in temperatures since the Industrial Revolution.

"Dr Chapman proposes preventive, or delaying, moves to slow the cooling, such as bulldozing Siberian and Canadian snow to make it dirty and less reflective.

"My guess is that the odds are now at least 50:50 that we will see significant cooling rather than warming in coming decades," he writes."

Forget global warming, prepare for Ice Age | The Courier-Mail
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Old 04-23-2008, 12:52 AM
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It's mother nature going through one of her many mood swings.
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Old 04-23-2008, 01:07 AM
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The vast majority of scientists have agreed that sunspots have no long term effect onclimate change lol......including the ones down the street from me in boulder at CU.

Solar storms have an effect on the earths climate but not sunspots....I think this aussy spent too much time in the heat of the "barby".
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Old 04-23-2008, 01:09 AM
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Sun spots are ALWAYS there. You just can't see them.
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Old 04-23-2008, 03:12 AM
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I do believe it is a natural cycle which in this case, is sped up by human intervention. Ice ages have happened before and will continue to happen.
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Old 04-23-2008, 03:43 AM
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You're kidding, right?

Wow, this January was colder than last January. Global warming must be false!

Do you even know how it works?
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Old 04-23-2008, 05:51 AM
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Quote:
Originally Posted by Wombat View Post
Looks like the global warming skeptics were right after all...
Did you listen to PM on ABC local radio? He got a towelling and rightly so.
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Old 04-23-2008, 06:06 AM
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This is NASA speaking about the planet and no, I did not listen to the ABC. My radio reception here is pathetic.

The fact is that the planet goes through many cycles including ice ages and global warming stages. You can't exactly blame dinosaurs for their warming by burning fossel fuel.

I do believe however that we have stuffed up many parts of the environment by removing far too many trees, removing natural wetlands and more. Both sides of the political fence keep trying to control the environment which is only going to stuff it up even more.
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Old 04-23-2008, 06:27 AM
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The first point is that it wasn't NASA making a comment, it was one man.

The second point is that he was pretty much taken to task by other scientists who pointed out his flawed interpretation of data.
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Old 04-23-2008, 08:29 AM
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Actually, it's a quirk of global warming that it will actually cause parts of the planet to get cooler. Much cooler.
The biggest change is the a shift in the Gulf Stream which brings warmer air and water from the equator up into northern parts. As it moves south, so will the basically temperate belt that parts of Europe, UK and North America enjoy.
It's ironic to say the least that Global Warming will actually see a return of the Thames in London freezing over in winter!

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