Climate change 'tipping points' imminent

[Toddsterpatriot]

Climate change 'tipping points' imminent

(Phys.org) —UC Berkeley's Tony Barnosky joined climate scientists this morning at a press conference at the National Academy of Sciences in Washington, D.C., to summarize a new report issued today focusing on the short-term effects of climate change and the need to monitor them closely.

"Our report focuses on abrupt change, that is, things that happen within a few years to decades: basically, over short enough time scales that young people living today would see the societal impacts brought on by faster-than-normal planetary changes," said Barnosky in an email. Barnosky is professor of integrative biology and a member of the Berkeley Initiative in Global Change Biology (BIGCB).

The report, "Abrupt Impacts of Climate Change: Anticipating Surprises," is available from the National Research Council, part of the National Academies.

Read more at: Climate change 'tipping points' imminent

Come on lets stop this shit.

I think we should dump millions of tons of reflective particles in the air from commercial airliners to reflect the sun rays!

Warn your fellow travelers before you open your window to try that.

 

[HelenaHandbag]

We're so perilously near the tipping point, yet none of the warmist doomsayers will turn off their computers, throw away their cell phones, sell their cars, leave their cushy metropolitan homes and go camp out with the Amish.

Funny stuff.

 

[percysunshine]

We're so perilously near the tipping point, yet none of the warmist doomsayers will turn off their computers, throw away their cell phones, sell their cars, leave their cushy metropolitan homes and go camp out with the Amish.

Funny stuff.

Isn't exhaling carbon dioxide a pre-existing condition? I am pretty sure Obamacare has global warming covered.

No worries here anymore.

 

[daveman]

So you have no response to my posted article. I thought that might be the case.

Ummm...I left the thread after I posted that image.

What, did you think you ran me off?

 

[daveman]

Watch out for climate 'surprises,' scientists warn - CNN.com

(CNN) -- The long, slow process of climate change may trigger "surprise" shifts that could threaten human communities in years or decades, researchers from the National Academy of Sciences warned Tuesday.

In a 200-page report, the scientists call for an early-warning system that would watch bellwethers like Midwestern aquifers, Antarctic ice sheets and tropical coral reefs for signs that a "tipping point" is coming. Accelerated environmental changes can already be seen in the loss of Arctic sea ice and bigger wildfires since 1980, the authors said.

"A lot of these things require not only monitoring what's going on out there in the natural world as well as monitoring what we do in the human-built environment as well; how much dollar-wise do we have at risk?" said Jim White, who led the committee that produced Tuesday's report.

The committee didn't calculate the cost of establishing an early climate warning network. But even in a time of tight budgets, White said, the cost would be "trivial compared to the cost of the assets at risk."

Media's global warming fail When the Pacific Ocean altered rainfall patterns around the world, the subsequent climate shifts coincided with the fall of Mayan civilization, researchers said, occurring after the peak in A.D. 900. The Tang dynasty also fell during a time of dryness associated with the same event coinciding with the end of Mayan civilization. Dunhuang was a vital command post on the Silk Road during China's Tang dynasty, which ended about A.D. 906. Based on tree rings in Vietnam, scientists determined that there were serious droughts before the collapse of the Angkor kingdom. There are more than 100 temples in the area built between A.D. 802 and 1220. The area shares the same climate as Angkor, which collapsed about the same time. The Akkadian empire -- about 2350 to 2150 B.C. -- collapsed around a time of dryness, as indicated by continental dust that was blown from Mesopotamia into the Gulf of Oman. This is a region where conflicts may have been associated with El Nino Southern Oscillation, according to researchers.

"We have trillions of dollars of infrastructure in cities along the coast alone," said White, a geochemist and paleoclimatologist at the University of Colorado. When a bank wants to protect the money in its vaults, "You don't crab about how much the cameras cost," he said.

But, he added, "at a time when we should be understanding more and observing more about our environment, we're actually observing less."

The idea of long-term climate change driven largely by the use of fossil fuels, which release heat-trapping carbon dioxide emissions into the atmosphere, is controversial politically but accepted as fact by most researchers. The concentration of heat-trapping carbon dioxide hit a concentration unseen since prehistoric times at the benchmark Mauna Loa observatory in May, and scientists reported in 2012 that the ice sheets covering Greenland and Antarctica were losing mass at an accelerating rate.

Tuesday's report states that there's a high risk of increased extinctions of land and sea life and the disappearance of the Arctic icecap in summers within this century. There's a moderate risk of increased heat waves, a decline in ocean oxygen levels and rapid changes to ecosystems that would threaten food and water supplies, the scientists note. Watching for those symptoms would give communities that depend on those ecosystems the ability to adapt, White said.

And there's a "probably low" but unknown risk that warmer rising seas could undermine the ice sheet that covers western Antarctica, raising average sea levels far more and more quickly than the roughly 1 meter (3 feet) they're now projected to increase by 2100. That would make it much harder for coastal cities like Miami, which is already seen as the U.S. city most vulnerable to climate change, to adapt in time.

"Warm water, as one could imagine, is the enemy of ice, and we don't monitor ocean currents and ocean temperatures near the ice sheet nearly as much as we should," White said.

Other feared effects -- such as the sudden release of large volumes of methane from thawing Arctic tundra or the disruption of the Atlantic Ocean currents that carry warm water into the northern latitudes -- were given a low chance of occurring on a rapid scale. That's not to say that they won't happen, just that they're likely to happen gradually, White said.

Global average temperatures are up about 1.5 degrees Fahrenheit (0.8 degrees Celsius) since the 1880s, according to NASA. The United Nations has been trying to get member nations to reduce carbon emissions enough to limit warming to 2 degrees C (3.6 F).

But in a paper published the same day as the National Academy's report, NASA's former top climate scientist warned that a 2-degree increase would still inflict "irreparable harm" on future generations.

"These growing climate impacts, many more rapid than anticipated and occurring while global warming is less than 1 degree C, imply that society should reassess what constitutes a 'dangerous level' of global warming," James Hansen, now the head of the climate science program at Columbia University in New York, wrote in the online, peer-reviewed scientific journal PLOS One.

Continuing to burn fossil fuels at today's rates "would be an act of extraordinary witting intergenerational injustice," Hansen and his colleagues concluded.

Fear-mongering. Yawn. Can't you guys come up with a new schtick?

 

[daveman]

So you have no response to my posted article. I thought that might be the case.

I thought you knew by now, Abe.

Anti-science retards like ol' DaveDumb and the kookster will never give you a rational response to any possible scientific studies or information that you might post. They live in a bizarre fantasy world totally disconnected from reality.

Ignorant and absurd drivel and moronic cartoons are pretty much the best you can expect from cretins like those two, and the rest of the denier cultists aren't much different.

All that sense of superiority, based on absolutely nothing.

 

[daveman]

Cattle must be destroyed. Cattle cause Methane. Methane bad, cattle bad.

I'm doing my part. I eat beef several times a week.

 

[daveman]

We're so perilously near the tipping point, yet none of the warmist doomsayers will turn off their computers, throw away their cell phones, sell their cars, leave their cushy metropolitan homes and go camp out with the Amish.

Funny stuff.

Well, duh. They're too important to the cause to live like they insist the proles do.

 

[JWBooth]

Climate change 'tipping points' imminent

(Phys.org) —UC Berkeley's Tony Barnosky joined climate scientists this morning at a press conference at the National Academy of Sciences in Washington, D.C., to summarize a new report issued today focusing on the short-term effects of climate change and the need to monitor them closely.

"Our report focuses on abrupt change, that is, things that happen within a few years to decades: basically, over short enough time scales that young people living today would see the societal impacts brought on by faster-than-normal planetary changes," said Barnosky in an email. Barnosky is professor of integrative biology and a member of the Berkeley Initiative in Global Change Biology (BIGCB).

The report, "Abrupt Impacts of Climate Change: Anticipating Surprises," is available from the National Research Council, part of the National Academies.

Read more at: Climate change 'tipping points' imminent

Come on lets stop this shit.

Yes, we must stop climate from changing.

We need Chicago to stay 12 degrees, year round.

I'm good with that.


Dumb movie, about some winter storms over the northern hemisphere, instantly turned everything north of Memphis into a glacier...THATS what I look forward to.

 

[JWBooth]

We're so perilously near the tipping point, yet none of the warmist doomsayers will turn off their computers, throw away their cell phones, sell their cars, leave their cushy metropolitan homes and go camp out with the Amish.

Funny stuff.

And their spokes models ride around in Limos and Lears and want everybody else to wear an extra sweater.

 

[Kosh]

AGW is nothing but a huge mega church.

 

[Abraham3]

And so you think the vast majority of the world's climate scientists have chosen to profess a belief based on nothing but faith and actually discredited by the evidence? That must be why they all went to the trouble of getting PhDs and conducting research in these fields: for a cover story.

Global warming denial is the "church".

 

[RollingThunder]

So you have no response to my posted article. I thought that might be the case.

I thought you knew by now, Abe.

Anti-science retards like ol' DaveDumb and the kookster will never give you a rational response to any possible scientific studies or information that you might post. They live in a bizarre fantasy world totally disconnected from reality.

Ignorant and absurd drivel and moronic cartoons are pretty much the best you can expect from cretins like those two, and the rest of the denier cultists aren't much different.

All that sense of superiority, based on absolutely nothing.

Riiiight....nothing....except of course for the fact that you're obviously extremely retarded and completely ignorant about science.....and that does make me feel very superior....although it's likely that a Pekingese would also feel supior to you if he had to deal with you in any way.....so the bar is pretty low....in your case it can't go much lower....brain damaged chipmunks would probably feel superior to you, DaveDumb....

 

[Abraham3]

I was gonna say "Let's not go there", but then I saw you were talking to Dave.

 

[daveman]

And so you think the vast majority of the world's climate scientists have chosen to profess a belief based on nothing but faith and actually discredited by the evidence? That must be why they all went to the trouble of getting PhDs and conducting research in these fields: for a cover story.

Global warming denial is the "church".

"[T]he vast majority of the world's climate scientists" are but a very small subset of scientists in general -- scientists who know how science is supposed to work.

SPECIAL REPORT: More Than 1000 International Scientists Dissent Over Man-Made Global Warming Claims ? Challenge UN IPCC & Gore | Climate Depot

List of scientists opposing the mainstream scientific assessment of global warming - Wikipedia, the free encyclopedia

US SENATE : 650 International Scientists Dissent Over Man-Made Global Warming Claims | CACA

Peer-Reviewed Survey Finds Majority Of Scientists Skeptical Of Global Warming Crisis - Forbes

The Latest Meteorologist Survey Destroys The Global Warming Climate 'Consensus' - Forbes

 

[Pop23]

Watch out for climate 'surprises,' scientists warn - CNN.com

(CNN) -- The long, slow process of climate change may trigger "surprise" shifts that could threaten human communities in years or decades, researchers from the National Academy of Sciences warned Tuesday.

In a 200-page report, the scientists call for an early-warning system that would watch bellwethers like Midwestern aquifers, Antarctic ice sheets and tropical coral reefs for signs that a "tipping point" is coming. Accelerated environmental changes can already be seen in the loss of Arctic sea ice and bigger wildfires since 1980, the authors said.

"A lot of these things require not only monitoring what's going on out there in the natural world as well as monitoring what we do in the human-built environment as well; how much dollar-wise do we have at risk?" said Jim White, who led the committee that produced Tuesday's report.

The committee didn't calculate the cost of establishing an early climate warning network. But even in a time of tight budgets, White said, the cost would be "trivial compared to the cost of the assets at risk."

Media's global warming fail When the Pacific Ocean altered rainfall patterns around the world, the subsequent climate shifts coincided with the fall of Mayan civilization, researchers said, occurring after the peak in A.D. 900. The Tang dynasty also fell during a time of dryness associated with the same event coinciding with the end of Mayan civilization. Dunhuang was a vital command post on the Silk Road during China's Tang dynasty, which ended about A.D. 906. Based on tree rings in Vietnam, scientists determined that there were serious droughts before the collapse of the Angkor kingdom. There are more than 100 temples in the area built between A.D. 802 and 1220. The area shares the same climate as Angkor, which collapsed about the same time. The Akkadian empire -- about 2350 to 2150 B.C. -- collapsed around a time of dryness, as indicated by continental dust that was blown from Mesopotamia into the Gulf of Oman. This is a region where conflicts may have been associated with El Nino Southern Oscillation, according to researchers.

"We have trillions of dollars of infrastructure in cities along the coast alone," said White, a geochemist and paleoclimatologist at the University of Colorado. When a bank wants to protect the money in its vaults, "You don't crab about how much the cameras cost," he said.

But, he added, "at a time when we should be understanding more and observing more about our environment, we're actually observing less."

The idea of long-term climate change driven largely by the use of fossil fuels, which release heat-trapping carbon dioxide emissions into the atmosphere, is controversial politically but accepted as fact by most researchers. The concentration of heat-trapping carbon dioxide hit a concentration unseen since prehistoric times at the benchmark Mauna Loa observatory in May, and scientists reported in 2012 that the ice sheets covering Greenland and Antarctica were losing mass at an accelerating rate.

Tuesday's report states that there's a high risk of increased extinctions of land and sea life and the disappearance of the Arctic icecap in summers within this century. There's a moderate risk of increased heat waves, a decline in ocean oxygen levels and rapid changes to ecosystems that would threaten food and water supplies, the scientists note. Watching for those symptoms would give communities that depend on those ecosystems the ability to adapt, White said.

And there's a "probably low" but unknown risk that warmer rising seas could undermine the ice sheet that covers western Antarctica, raising average sea levels far more and more quickly than the roughly 1 meter (3 feet) they're now projected to increase by 2100. That would make it much harder for coastal cities like Miami, which is already seen as the U.S. city most vulnerable to climate change, to adapt in time.

"Warm water, as one could imagine, is the enemy of ice, and we don't monitor ocean currents and ocean temperatures near the ice sheet nearly as much as we should," White said.

Other feared effects -- such as the sudden release of large volumes of methane from thawing Arctic tundra or the disruption of the Atlantic Ocean currents that carry warm water into the northern latitudes -- were given a low chance of occurring on a rapid scale. That's not to say that they won't happen, just that they're likely to happen gradually, White said.

Global average temperatures are up about 1.5 degrees Fahrenheit (0.8 degrees Celsius) since the 1880s, according to NASA. The United Nations has been trying to get member nations to reduce carbon emissions enough to limit warming to 2 degrees C (3.6 F).

But in a paper published the same day as the National Academy's report, NASA's former top climate scientist warned that a 2-degree increase would still inflict "irreparable harm" on future generations.

"These growing climate impacts, many more rapid than anticipated and occurring while global warming is less than 1 degree C, imply that society should reassess what constitutes a 'dangerous level' of global warming," James Hansen, now the head of the climate science program at Columbia University in New York, wrote in the online, peer-reviewed scientific journal PLOS One.

Continuing to burn fossil fuels at today's rates "would be an act of extraordinary witting intergenerational injustice," Hansen and his colleagues concluded.

But in a paper published the same day as the National Academy's report, NASA's former top climate scientist warned that a 2-degree increase would still inflict "irreparable harm" on future generations.

Exactly! The last time things were that warm, we all died!

When it makes my beer warmer is when I will express my concern

Until then

Yawn

So many folks so worried about this, but they still consume fossil fuels.

What gives?

 

[Pop23]

AGW is nothing but a huge mega church.

And bingo was his name ohhhhhhhh

 

[daveman]

I thought you knew by now, Abe.

Anti-science retards like ol' DaveDumb and the kookster will never give you a rational response to any possible scientific studies or information that you might post. They live in a bizarre fantasy world totally disconnected from reality.

Ignorant and absurd drivel and moronic cartoons are pretty much the best you can expect from cretins like those two, and the rest of the denier cultists aren't much different.

All that sense of superiority, based on absolutely nothing.

Riiiight....nothing....except of course for the fact that you're obviously extremely retarded and completely ignorant about science.....and that does make me feel very superior....although it's likely that a Pekingese would also feel supior to you if he had to deal with you in any way.....so the bar is pretty low....in your case it can't go much lower....brain damaged chipmunks would probably feel superior to you, DaveDumb....

The problem here is I DO know about science, and can see how climate "science" is not science at all.

Your pathetic, childish, petulant, emotion-laden foot-stamping does nothing to alter reality, boy.

 

[Abraham3]

You've shown no particular familiarity with science. Rejection of AGW makes you look smart, clever and witty like the rest of the world's flat-Earthers.

 

[westwall]

Climate change 'tipping points' imminent

(Phys.org) —UC Berkeley's Tony Barnosky joined climate scientists this morning at a press conference at the National Academy of Sciences in Washington, D.C., to summarize a new report issued today focusing on the short-term effects of climate change and the need to monitor them closely.

"Our report focuses on abrupt change, that is, things that happen within a few years to decades: basically, over short enough time scales that young people living today would see the societal impacts brought on by faster-than-normal planetary changes," said Barnosky in an email. Barnosky is professor of integrative biology and a member of the Berkeley Initiative in Global Change Biology (BIGCB).

The report, "Abrupt Impacts of Climate Change: Anticipating Surprises," is available from the National Research Council, part of the National Academies.

Read more at: Climate change 'tipping points' imminent

Come on lets stop this shit.

What a load of horsepoo. Tipping points schmipping points. They've been warning us about impending doom for decades now. Below are a few of the HUNDREDS of climate change tipping points that have come and gone....all with no disaster and God induced bolt from the blue.

Break out the sandwich boards boys, your street corner is missing its idiot.


Scientists identify 2047 as global climate change tipping point

The Thirteenth Tipping Point | Mother Jones

Earth's climate change tipping point to start in 2020, new model predicts | The Japan Times

http://www.nytimes.com/2012/07/21/opinion/the-climate-change-tipping-point.html?_r=0

Tipping point ahead: Wake Up, Freak Out - then Get a Grip

Earth nears tipping point on climate change - CSMonitor.com

Warming hits 'tipping point' | Environment | The Guardian