Global Warming 'Is Delaying The Next Ice Age'

Ice Sheets

First Posted: 09/01/12 16:28 GMT Updated: 11/01/12 15:58 GMT

The next Ice Age could be delayed because of high levels of carbon dioxide emissions in the atmosphere.

The “big freeze”, which is due to start within 1,500 years, could be put off because levels of CO2 may insulate the planet from the growth of ice sheets and glaciers.

Writing in a paper published in Nature Geoscience, Cambridge University Scientists claim that even if carbon emissions stopped today, levels of the gases, which reached record heights in 2012, could linger for at least 1,000 years.

Dr Luke Skinner said: “At current levels of C02, even if emissions stopped now we’d probably have a long interglacial duration determined by whatever long-term processes could kick in and bring [atmospheric] C02 down.

“It’s an interesting philosophical discussion. Would we be better off in a warm world rather than a glaciation? Probably we would.”

An Ice Age is a period of long-term reduction in the earth’s atmospheric and surface temperature, leading to the growth of ice sheets and glaciers.

The gap between the end of an Ice Age and the beginning of the next one tends to be around 11,000 years due to a cycle related to the Earth’s orbit, the Telegraph reported.

Being that the last Ice Age ended 11,600 years ago, it would appear we are already overdue our next big freeze.

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The next Ice Age could be delayed because of high levels of carbon dioxide emissions in the atmosphere. The “big freeze”, which is due to start within 1,500 years, could be put off because lev...
The next Ice Age could be delayed because of high levels of carbon dioxide emissions in the atmosphere. The “big freeze”, which is due to start within 1,500 years, could be put off because lev...
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10:04 AM on 03/03/2012
You cant stop nature but you can chart it then tell the public its their fault and then tax them, the fact that your in charge of everything like emissions and making the right decisions about pollution in the first pace has nothing to do with it !
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PaulBardinas
Educating one person at a time.
05:04 PM on 02/07/2012
The fact that science shows the earth experiences ice ages regularly doesn't in any way change the fact that as humans we have introduced a new variable into the climate. While our reckless actions may help prolong a warm period on the planet that's no reason to continue polluting our air and water today. Personally, I'm a bit more concerned about the effects of warming over the next 100 years, not so much about an ice age 1000 years away triggered by earth orbit.
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PaulBardinas
Educating one person at a time.
04:56 PM on 02/07/2012
Reading some of these comments it is just disheartening. Science is the pursuit for knowledge using a method that is designed to either prove or dissprove a theory. Yes, theories do change as more information becomes available, that's science. Only ignorant people with no real understanding of science get this confused. Scientists throw lots of theories around, then over time those theories are either proved to be fact (at least as much as anything can be a fact) or dissproved. The theory of gravity, evolution, relativity, etc. Science encourages scientists to dissprove the theory. The fact that 97% of climatologists agree about climate science is no more a conspiracy than the notion that 97% of geologists agreeing that the earth is billions of years old. When the science shows something to be true you get consensus amongst most intelligent people. If new data becomes availalble that changes that truth then great, that's science!! Right wing cooks make the mistake of confusuing science with religion, a system based on belief, not facts.
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PaulBardinas
Educating one person at a time.
04:37 PM on 02/07/2012
This article is in no way contradictory. Any climate scientist will tell you that the earths climate changes independently of anything man is doing. Volcanos, asteroids, earth orbit, etc. all have effects on the climate. Our use of fossil fuels (CO2) simply throws a monkey wrench in an already complex system. The warnings issued by climatologists are simple. Continue pumping these greenhouse gases into the atmosphere unchecked and the planet will warm. What happens next is anyone guess. The oceans are warmed up and absorb CO2, albiet slowly. This in turns acidifies our oceans, but global warming melts our ice caps which dilutes our oceans, raise sea levels, and lowers ocean temps. Thermafrost melts releasing Methane (greenhouse gas). Massive hurricanes or a disruption of the Atlantic current; who can tell? The point is simple, our actions, or inaction, will have BIG reprocussions. Perhaps some good, but more than likely according the the computer modelling mostly pretty bad. Droughts, explosion of noxious plants, flooding, etc. The unknown is our enemy. What I do know is that sticking your head up your ass and pretending that man-made climate change is a hoax is not the answer.
09:57 AM on 02/04/2012
So burning fossil fuels is good? Yay!!! Lol. The oil companies should use this as one of their adverts-Do Your Part, stop the Ice Age TODAY!!!

Sarcasm aside, it always amazes me the topic of global warming, climate change, cycles..... Do they really know what's going on? I suppose it's nice to put everything in a box and say, we are going to bake/or freeze/or do nothing-its a cycle.....
04:41 PM on 01/27/2012
In the late 70s early 80s, scientific opinion, of that era, said that we were going into another ice age, 30 years on, we are in an era of 'global warming'! It is interesting that influential scientists, like Bjorn Lombourg, are attacked by green activists for stating the obvious, that the major influence, in climate, is the sun.

Yes, over population is affecting localised weather by stripping the land of vegetation but, if CO2 is such a major problem and as the world's population has increased by 3.5 billion in the last 40 years and as all humans produce CO2, when do we start the cull? Seriously though according to the Hadley Centre and BEST, the world's temperature has been basically stable since 2000, check the web sites. If this really is the case, then governments should be ashamed of the taxes they are taking which are killing the world's economy.

According to the latest figures, Spain can produce twice as much electrical power as it needs, unfortunately this is based on wind farms working. It is also very expensive, nearly twice the price of electricity from France (nuclear).

When will the greens accept that it is only via the massive subsidies that the tax payer provides that we can afford to build unreliable wind farms! Yes we should be saving natural resources, yes we should be finding alternative energy sources (Thorium reactors, hydrogen fuelled transport) but please let us accept that the sun dictates our climate.
09:51 AM on 01/24/2012
If we just take the out the fact that the increasing solar cyclic activity has nothing at all to do with planet/ global warming ,and that the governments were making tens of billions out of all of this i might almost almost believe it.

All replies welcome even from all you well learned productive,s !
07:07 PM on 02/07/2012
And not only that, isn't it amazing that the big bright ball up in our sky that comes up in the east every morning, yes, that one,..... it has enough power to warm this planet from hundreds of degrees below zero, and keep this planet alive, keep our planet in its orbit, and supposedly will now soon take over powering our electrical grids and power everything,...........but yet it doesn’t have enough power to change the earth's temperature by 1.3 degree F over a hundred year period......…?

Dadelut!.. !...Dadelut...Dadelut!!!.
09:18 AM on 01/24/2012
take a look at the sky news this morning where they were talking about the northern lights ,the guy being interviewed said that the sun,s activity was increasing over the next few years and the solar intensity was increasing to the point where there will be disruption to communications satellites.

Of course if you have a natural cyclic event like this and just leave out the solar storms bit you could call it planet warming or global warming ,then when the droughts come you can have charities begging for money to top up there pension funds ,the water companies can hike the price up, then the government can bring in more stringent mot regulations to save the planet and make a fortune at the same time as getting more older cars off the roads, killing 2 birds with one stone .

Did anybody notice over the last few years that a lot of government buildings have had their windows replaced with those blue tinted ones with the special glass that reflects and filters the sun light sun ? no i did not think so .

and what about the increase in volcanic activity across the world anybody measured the co2 there no i did not think so.
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one1byke
Easy no Man.
05:01 AM on 01/10/2012
... I doubt it delays turning off the Atlantic conveyer...

when that goes, a New World Order commences.
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Brian Novotny
What happened to Democracy?
04:41 AM on 01/10/2012
I have to wonder about this, as it is a unknown territory. Projections indicate it could trigger an ice age if glacier melts in Greenland and the Arctic release enough fresh water to disrupt the global thermohaline (heat & salt) circulation within the ocean called the Global Conveyor Belt. If the gulf stream which keeps the northeast US and western Europe mild during winters is disrupted or abruptly shuts down, it would trigger an ice age. There is much to learn, and basically all we have to go by is history, not experience, so while we still debate whether or not to go green, we are in essence playing Russian roulette with mankind's future. Mother nature and Earth will survive nearly anything, but will we?
cantabria
my default position is wrong
06:41 AM on 01/10/2012
Hi, we are not playing russian roulette with anything, we are an insignificant pimple on this rock and by the way, we are still in the "last ice age", so the writer hasn't got a clue about the subject. Ice ages are measured by the extense of polar ice caps rather than temperature (clearly the 2 go hand in hand) so if the Greenland cap melts then it's a bit contradictory as the Greenland cap has clearly melted in the past several times and it didn't seem to trigger any ice ages in the past because if it had then the ice would have rapidly returned and there would be core records of this so the "global conveyor belt" idea may not hold water..
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Counterintuitive
We'll steer by the beacon of our 100 year forecast
09:41 PM on 01/29/2012
If we are so insignificant then how did we manage to change the atmosphere so much since 1960?

And while I'm at it, how did we manage to change the ocean acidity levels, and alter the ozone layer?
12:16 AM on 01/10/2012
There's only one certainty about climate change science and that is that it's extremely new relative to the duration of human beings, never mind the planet itself. The certainties of even 10 years ago are being superseded by newer findings and there is nothing clear cut about what is happening to planet Earth. Are we warming it up? Is it warming itself up? Is our now middle-aged sun beginning to spread a bit and is it heating us all up more? Is another ice age inevitable, or has something happened to this cycle, too? There are sound reasons for getting away from filthy, air-polluting fuels that are going to run out in any case, but basing it all on global warming may not be one of them. The scientists are likely to have a lot of revising of data to do in the next 50 years.
cantabria
my default position is wrong
06:45 AM on 01/10/2012
Above all a lot of revising over the next 50 years so they keep their jobs, unfortunately climate science has become a dominant research path and anybody who opposes it has to work in something else or sell their souls to the oil companies to name one industry, therefore there is no real debate as all opponents are crushed by the establishment consensus.
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Reality always bites
Sometimes just a bit peckish
07:08 PM on 01/10/2012
I do not feel crushed by teh establishment with regard to global warming or climate change. With an area the equivalent of 50 football fields of forest being felled on a daily basis worldwide how can the C02 in the atmosphere be increasing? Is it the removal of forest or the burning of fossil fuels? The data is constantly changing and being revised down by governments on a weekly basis. Wait for the increases in speed limits and the relaxation of parking restrictions that will help balance out the science!
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01:42 AM on 01/22/2012
"There's only one certainty about climate change science and that is that it's extremely new relative to the duration of human beings"

So is all science. What's your point?

"The certaintie­s of even 10 years ago are being superseded by newer findings"

Really. What certainties and what new findings. Specifics please.
12:40 PM on 01/24/2012
Yes, indeed like all science, and science is constantly having to revise itself. Climate change science really is pretty new. Some people, I feel, lose sight of all this when talking about climate change. My point is that climate change scientists are learning all the time about it. Even the IPCC and the University of East Anglia has made predictions that have turned out to be mistaken (remember the email row not so long ago? Look it up if you have forgotten).
10:59 AM on 02/01/2012
The IPCC report keeps changing it's findings each time it's published.

Tell me again, why can't climate science provide a reliable near or long term prediction on climate change?

Observed temperatures over the last 10 years are obviously well below the 0.2C per decade that the IPCC claimed to have "considerable confidence" in as recently as 2007.
12:10 AM on 01/10/2012
The biggest problem this earth is faced with is over population of humans. Look at it in this context, if a bush or tree or any type of plant is infested with insect's or infected with a disease. We all know what the outcome will be. There are many parts of the world affected by food shortages now and have been for many years. This problem will only get worse, with increased food shortages and increased food prices.
cantabria
my default position is wrong
06:46 AM on 01/10/2012
So the problem will sort itself out, less food, fewer people.
11:18 AM on 01/10/2012
Good point.
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kubisiak5
Congress needs its own climate change in 2014. (D)
11:48 PM on 01/09/2012
Oh geez here we go. This will get more noise from the right than anything that would actually advance the discussion the right way.
12:05 AM on 01/10/2012
'Advance the discussion the right way'? What a strange phrase. You mean you wish to discuss things only if that discussion leads to a conclusion you've already made? Sort of a: 'I would not think if I were you, not if thinking leads you to the wrong conclusion' mentality? Perhaps you'd rather live under an Absolute Monarchy?
cantabria
my default position is wrong
06:47 AM on 01/10/2012
Spot on gisburne, all opposition will be crushed, silenced and assimilated. Did you know that all BBC employees are banned from even mentioning the faint possibility that perhaps the global warming industry may just perhaps possible be a load of rubbish.
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Reality always bites
Sometimes just a bit peckish
07:10 PM on 01/10/2012
I very nearly favorited your comment- It's the bit about the absolute monarchy that spoiled a rational argument.
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Ranta
I don't need no ****** badges.
11:20 PM on 01/09/2012
Great news. Of course, we will have been gone for 1300 years when the next ice age starts.
cantabria
my default position is wrong
07:00 AM on 01/10/2012
Hi, just a bit of information for you. We are still in the last ice age. We are in a relatively warmer period during an ice age. The last glacial period (relatively cold period during an ice age) ended about 12,000 years ago, but we are still in what is termed an "ice age". Fun, isn't it?
11:02 PM on 01/09/2012
YEP WHAT A LOAD OF MADE UP RUBBISH!
03:18 AM on 01/10/2012
I agree, for the last few weeks wev'e been told, we will face arctic conditions,what do these weather forcasters get paid for, in any other job you would get the sack for not doing the job you are paid for, You would get better weather results by hanging a pine cone out, or a bunch of seaweed, I also think that the wind turbines are a big flop, the blades snap off if wind is too strong, I forcast the turbines will all be shut down in 5yrs time, a costly mistake by the clever pratts that gave the go ahead for them, but then again some companies are making a fortune building and repairing these monstrophies, BUT HEY WE ARE PAYING FOR THEM,
cantabria
my default position is wrong
07:02 AM on 01/10/2012
Predicting weather and predicting climate are very different. However, both are based on incomplete data.
09:27 AM on 01/24/2012
you may a point there as i heard that the blades are made from fiber glass !