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Thread started 09/23/08 6:40pm

SUPRMAN

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Polar bears resort to cannibalism as Arctic ice shrinks

Polar bears resort to cannibalism as Arctic ice shrinks

(CNN) -- Summer is over in the northern hemisphere, but it's been another chilling season for researchers who study Arctic sea ice.
Arctic Ice

Disappearance of Arctic ice cover may affect storm systems, storm tracks and crops, according to researchers.


"It's definitely a bad report. We did pick up little bit from last year, but this is over 30 percent below what used to be normal," said Walt Meier, a research scientist with the National Snow and Ice Data Center in Boulder, Colorado.

This past summer, the Arctic sea ice dwindled to its second lowest level. Arctic sea ice is usually 1 to 3 meters, or as much as 9 feet thick. It grows during autumn and winter and shrinks in the spring and summer.

Scientists have monitored sea ice conditions for about 50 years with the help of satellites. Changes in the past decade have been alarming to climate researchers and oceanographers.

"It is the second lowest on record. ... If anything, it is reinforcing the long-term trend. We are still losing the ice cover at a rate of 10 percent per decade now, and that is quite an increase from five years ago," Meier said. "We are still heading toward an ice cover that is going to melt completely in the summertime in the Arctic."

Arctic ice helps regulate and temper the climate in many other parts of the world. The less ice there is, the more dramatic the impact. Huge sheets of ice reflect solar radiation, keeping our planet cool. When that ice melts, huge expanses of darker, open ocean water absorb the heat instead, warming things up.

Although few humans live in the Arctic, the disappearance of this ice cover can have effects far beyond the few residents and the wildlife of this harsh region. Ice cover loss can influence winds and precipitation on other continents, possibly leading to less rain in the western United States and creating more in Europe.


"That warming is going to spread to the lower latitudes, to the United States, and it's going to affect storm systems and storm tracks, the jet stream; that's going to affect crops and all sorts of things," Meier predicted.

So, just how much ice is disappearing?

Less than 30 years ago, there would still be 7 million square kilometers or 2.5 million square miles of ice left at the end of an Arctic summer. That's now dropped by almost 40 percent. Video See how much Arctic sea ice has disappeared »

"Seven million square kilometers roughly corresponds to an area of the lower 48 United States. So back in the early 1980s, the lower 48 states would be covered in sea ice in the summer," Meier said. "Now we've essentially lost sea ice east of the Mississippi River and even beyond. So that's a significant amount of area."

The best known consequence of disappearing sea ice in the Arctic is the loss of the polar bear habitat. Learn more about polar bears and their habitat »

"The Arctic sea ice melt is a disaster for the polar bears," according to Kassie Siegel, staff attorney for the Center for Biological Diversity. "They are dependent on the Arctic sea ice for all of their essential behaviors, and as the ice melts and global warming transforms the Arctic, polar bears are starving, drowning, even resorting to cannibalism because they don't have access to their usual food sources."

Scientists have noticed increasing reports of starving Arctic polar bears attacking and feeding on one another in recent years. In one documented 2004 incident in northern Alaska, a male bear broke into a female's den and killed her.

In May, the U.S. Department of Interior listed the polar bear as a "threatened" species under the Endangered Species Act. In a news release, U.S. Interior Secretary Dirk Kempthorne stated, "loss of sea ice threatens and will likely continue to threaten polar bear habitat. This loss of habitat puts polar bears at risk of becoming endangered in the foreseeable future, the standard established by the ESA for designating a threatened species."
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What is the future for Arctic sea ice? Some scientists believe that in just five years, the Arctic may be ice-free during the summer.

"The Arctic is kind of the early warning system of the climate," Meier said. "It is the canary in the coal mine, and the canary is definitely in trouble."
I don't want you to think like me. I just want you to think.
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Reply #1 posted 09/24/08 4:28am

XxAxX

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too sad rose
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Reply #2 posted 09/24/08 4:50am

razor

Another reason for the US to get on board with emmisions trading schemes...
"He that will not reason is a bigot; he that cannot reason is a fool; and he that dares not reason is a slave." - William Drummond
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Reply #3 posted 09/24/08 6:43am

Red

First solution that comes to my mind would be to create and erect man-made reflectors to act as the ice does, reflecting away from the earth - but I guess it's just too big of an area to cover?
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Reply #4 posted 09/24/08 9:58am

IrresistibleB1
tch

has Palin had any comments on this? confused
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Reply #5 posted 09/24/08 10:15am

meow85

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Global warming is so fake the left has trained bears to eat each other. It's all part of an insidious plot to legalize pot-growing licenses for gay couples who practice witchcraft.
"A Watcher scoffs at gravity!"
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Reply #6 posted 09/24/08 10:16am

XxAxX

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meow85 said:

Global warming is so fake the left has trained bears to eat each other. It's all part of an insidious plot to legalize pot-growing licenses for gay couples who practice witchcraft.

evil feminist!
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Reply #7 posted 09/24/08 10:18am

meow85

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XxAxX said:

meow85 said:

Global warming is so fake the left has trained bears to eat each other. It's all part of an insidious plot to legalize pot-growing licenses for gay couples who practice witchcraft.

evil feminist!

The evilest!


wink
"A Watcher scoffs at gravity!"
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Reply #8 posted 09/24/08 10:34am

IrresistibleB1
tch

meow85 said:

Global warming is so fake the left has trained bears to eat each other. It's all part of an insidious plot to legalize pot-growing licenses for gay couples who practice witchcraft.


lol
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Reply #9 posted 09/24/08 10:58am

HiinEnkelte

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Welcome to the New World Odor and
the Mythmaking Moonbattery of Obamanation.

Chains We Can Bereave In

LIBERALISM IS A CONSPIRACY THEORY
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Reply #10 posted 09/24/08 11:21am

SUPRMAN

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HiinEnkelte said:

http://www.rightpundits.com/?p=1885

http://aftermathnews.word...in-a-year/



Thanx for the good news.
Now we can go back to destroying the planet.
Screw alternatives -burn more oil and coal.
I bet it's a liberal plot to make us think that
we'll ever run out of fossil fuel, or polar bears.

And with the cooler weather coming, we won't have
stronger hurricanes to worry about anymore either.
I don't want you to think like me. I just want you to think.
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Reply #11 posted 09/24/08 9:54pm

meow85

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HiinEnkelte said:

http://www.rightpundits.com/?p=1885

http://aftermathnews.word...in-a-year/

rolleyes

Let's pretend for a moment that you're right and global warming isn't a reality. It'll be a stretch, but my imagination's in fine shape.

Assuming global warming is a false alarm: Is there any valid reason not to work on intitiatives to reduce our collective footprint anyway?

It seems to me that denying global warming, whether based in reality or not, is nothing but an excuse for laziness. After all, if there's no real problem, why should we be bothered trying to curb our addiction to fossil fuels? You sound like a weekend drunk denying their problem while tipping back the gin.

Considering that it's widely recognized by those who've chosen to actually pay attention that "global warming" is a misnomer and that the proper term should eb "climate change" -indicating unusual warming AND cooling patterns -your pointing out patterns of ice expansiion doesn't mean what you seem to intend it to. Sorry, bucky.
"A Watcher scoffs at gravity!"
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Reply #12 posted 09/25/08 1:02am

lazycrockett

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Lets pretend for a moment, that people on here bitchin, are actually doing something besides logging in to prince and spouting shit bout stuff but not doing anything bout....OH Soap Opera is on.
The Most Important Thing In Life Is Sincerity....Once You Can Fake That, You Can Fake Anything.
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Reply #13 posted 09/25/08 1:21am

razor

HiinEnkelte said:

http://www.rightpundits.com/?p=1885

http://aftermathnews.word...in-a-year/



Are you employed by Obama to re-enforce conservative stereotypes?

With regard climate change, have you read the Stern report?

That states that the cost today to remedy this is 1% of global GDP. If we wait, the cost in the future is likely to be 20% of GDP. Even if we take the view that we can not be sure whether the warming is man-made, the risk/reward here means the only common sense approach is to take steps to deal with the problem.

If we are wrong, we have lost a finite amount (1%). If we are right, we will have saved both trillions of $ and millions of people. The only way you could disagree with this is if you were absolutely certain ( or to be exact, believe that the probability is less than 5%) that the current warming is not man-made (or contributed to by man). Not only is the concensus the exact opposite, but even the biggest scpetic scientist can not be sure we are unaacountable.

So, even allowing for doubt, it's still a no-brainer...

http://www.hm-treasury.go...usions.pdf
[Edited 9/25/08 3:46am]
"He that will not reason is a bigot; he that cannot reason is a fool; and he that dares not reason is a slave." - William Drummond
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Reply #14 posted 09/25/08 1:34am

Krystal666

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Republicans seem to hate polar bears. sad No seriously this isn't even funny. This is so sad...global warming is so real..I don't understand why people won't just admit it. neutral ( I LOVE POLAR BEARS!) sad ( I really hope something can be done about this...this is just so depressing)
[Edited 9/25/08 1:35am]
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Reply #15 posted 09/25/08 3:26am

Dsoul

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razor said:

Are you employed by Obama to re-enforce conservative stereotypes?


It's very quaint and partisan to continue denying human caused warming even at this stage, isn't it? Dragging the heels and planting just enough doubt to carry on as normal.
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Reply #16 posted 09/25/08 3:42am

razor

Dsoul said:

razor said:

Are you employed by Obama to re-enforce conservative stereotypes?


It's very quaint and partisan to continue denying human caused warming even at this stage, isn't it? Dragging the heels and planting just enough doubt to carry on as normal.


I think your choice of descriptive words to explain his stance are very generous...
"He that will not reason is a bigot; he that cannot reason is a fool; and he that dares not reason is a slave." - William Drummond
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Reply #17 posted 09/25/08 6:47am

Dancelot

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meow85 said:

Global warming is so fake the left has trained bears to eat each other. It's all part of an insidious plot to legalize pot-growing licenses for gay couples who practice witchcraft.


not only that, the left even tricks nations like Russia, Canada and so on to secure their claims in the arctic region once the ice melts down. all just a show to keep us in fear. the left is really powerful
Vanglorious... this is protected by the red, the black, and the green. With a key... sissy!
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Reply #18 posted 09/25/08 6:54am

Dancelot

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Dsoul said:

razor said:

Are you employed by Obama to re-enforce conservative stereotypes?


It's very quaint and partisan to continue denying human caused warming even at this stage, isn't it? Dragging the heels and planting just enough doubt to carry on as normal.


he's not even arguing the "manmade" factor. he serioulsy makes the point, that there is no global warming at all lol corporate bots have no problem in shifting their arguments all the time, even if they contradict themselves. one day they post an article saying that there is no global warming, and the next day another research that says global warming has only natural causes. now what?



oh but wait, this just in... he has even two links to real Internet sites that confirm his point? stop the press, that changes everything! oh if only I could find links to a page that indicates global warming as real and manmade. but as it turns out I can't find one. pity, then I can't get into a argument with Hiin, what a loss.


that's like in the good old days when ED would post links to AIG and that's all he ever needed... "hey it MUST be true, I've read it on the Internet!" dunce


.
[Edited 9/25/08 6:58am]
Vanglorious... this is protected by the red, the black, and the green. With a key... sissy!
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