Watching a television show, something was put more deeply into perspective for me. In our specie's [cro magnon] relatively short existance on Earth, about 10,000 years, we have been living in the remnants of the previous ice age - and there wasn't just one. Apparently, ever since North and South America converged together and disrupted the prehistoric warm ocean currents, Earth has undergone several ice ages coming in waves of 20 to 30 thousand year increments. The Northern polar ice cap has been growing and retreating for eons and has reached as far South as North Carolina (about 35 degrees N latitude) in the past. I've read conflicting arguments of whether or not the ice ages are "over with" but those who agree it's not say it won't happen again for another 15,000 years, which is good news for us either way. However, human interference hasn't been included in their estimates of when it might take place again. With the Earth's CO2 levels the highest they've been in 440,000 years, this catalyst may speed up the effects by moving excess moisture over the poles creating more snow fall than melting ice. Then there's the therory that too much melting ice will put excess fresh water in the North Atlantic and disrupt the warm Atlantic currents flowing upward from the equator. Since the water's moderating effect will be lost, the Northern Hemisphere would freeze. Scientists are all ready finding that the Gulf Stream, moving warm water from the Gulf of Mexico up to Great Britian, is slowing down.

Thoughts on these contrasting yet similar scenereos? When our ancesters moved North out of Africa thousands of years ago, they found a harsh existance and an inhospitable planet ahead of them. I think today we take life for granted. Can human effort overcome all obstacles standing between us and extinction or will be end up like the dinosours and the other 90% of species that went extinct 65 million years ago? Will another species evolve and reign over this planet after we are gone and dig into our past achievements and fossils just like we dig into the dinosaur's, assuming they are destined to be intelligent?

Excuse my spelling and grammar mistakes. It's late and I have class tomorrow morning so I'm off to bed to dream of a bigger picture not everyone can see.

I doubt that humans will go extinct because of an ice age but we will suffer if one happens.
this map shows the last ice age
http://images.encarta.msn.com/xrefmedia/zencmed/targets/maps/map/T041365A.gif

Most of europe, canada, US as well as russia and parts of northern asia would be inhospitable to civilisation (ie cities). I think the areas that would become far more populated would be africa and southern america. However thats not saying they are not going to experience problems themselves. An iceage doesn't just cause a temperature change. You have to think about other things like the monsoon (which literally billions of people depend on) which might fail if the temperature falls.

Other effects massive economic crisis, over population in already populated areas, large scale famine, big deaths, much of the develop world having to be abandoned, lack of resources, disease etc

Either way an iceage of this scale is going to take a reasonable amount of time to get a full grip on the planet, it's not going to be in a 'OMG NEWZZ IZEAGES IZ COMIN!! LEIK DAY AFTER TMR!!!1!' fashion.

Ice Age never happened. It would be convenient for the story tellers if one did though.

A ‘slow and gradual’ evolutionary Ice Age would appear to be physically impossible. Nevertheless, such a theory is almost universally held and taught, because the alternative would lead directly to the short time-frame of biblical earth history.

The standard proposal is that a massive ice sheet covered the top of the globe reaching from the north pole down to say New York City and down to the straits of Gilbraltar. The Northern version is presented as more extensive than a Southern polar cap.

A first and perhaps prime fact you need to know is that ice does not go uphill. Water doesn't and ice doesn't and glaciers don't. Even over level ground ice doesn't go very far. Specifically it goes up to 7 miles on level ground. Ice just can't push ice further than that. If pressure is applied to push more than 7 miles worth of ice then it gets crushed or melts instead.

"If a solid be so heavy and so big that it requires more than a certain force to move it, it will crush rather than move, that is to say, the whole thrust will be dissipated by the object being reduced to pulp, or even liquid, which will flow away rather than move en masse." [ Howorth, H.H. 1905 Ice or Water? vol 1, p383]

A look at the map shows that the ice would have to be pushed much farther than 7 miles.

With just this info you can see, the ice-age didn't happen!

http://www.blavatsky.net/science/atlantis/emails/ice_age.htm

http://www.blavatsky.net/science/atlantis/emails/ice_age.htm

You've got to be fucking joking.

Not at all.
All truth is ridiculed at first, slave.
Flat worlder eh?

So how did sealevels rise by 100m + 10,000 years ago?
How did early humans move to the indonesian islands, australia and America?
Why were many species cut of from different areas a few 1000 years ago?
Why did many species flourish and many suddenly die out 10,000 years ago?
One of his main arguments is that ice can't flow uphill. Well ice/snow does form at the top of mountains. Are you saying it doesn't snow at the top of a tall mountain? The snow falls at the top, gets compacted and flows down the slope, are you saying that doesn't happen.
How are big glacial valleys formed?

The list goes on.

In our specie's [cro magnon] relatively short existance on Earth...

I thought all you guys were dead?

Nobody in here but us Homo Sapiens.

"If a solid be so heavy and so big that it requires more than a certain force to move it, it will crush rather than move, that is to say, the whole thrust will be dissipated by the object being reduced to pulp, or even liquid, which will flow away rather than move en masse." [ Howorth, H.H. 1905 Ice or Water? vol 1, p383]

So you're saying that if I were to take a ball of clay [my solid for this analogy], put it on a table and exert pressure on the top, it's not going to flaten and spread out? You're failing to see the scale of the ice sheets. These sheets were miles high after centuries of snow fall! The pressure created by gravity forces the ice outward from the center. I sure hope you understand..

I thought all you guys were dead?

Nobody in here but us Homo Sapiens.

Well, if you want to get technical our earliest ancester was homo erectus which then split in your neanderthals and cro magnons. Present day humans, homo sapiens, are the decendants of the cro magnon species which now dominate due to their more developed brains and enginuity.

A first and perhaps prime fact you need to know is that ice does not go uphill. Water doesn't and ice doesn't and glaciers don't. Even over level ground ice doesn't go very far. Specifically it goes up to 7 miles on level ground. Ice just can't push ice further than that. If pressure is applied to push more than 7 miles worth of ice then it gets crushed or melts instead.

"If a solid be so heavy and so big that it requires more than a certain force to move it, it will crush rather than move, that is to say, the whole thrust will be dissipated by the object being reduced to pulp, or even liquid, which will flow away rather than move en masse." [ Howorth, H.H. 1905 Ice or Water? vol 1, p383]



Ive never heard the explination that the ice was "pushed" south. Its the temperature that dropped that started freezing all water farther and farther south. The idea is that there was a massive source of rain creating ice at the north pole pushing the ice sheets down is laughable.

YOu must be a troll.

The ice-age was first presented with much credit by Agassiz in 1840. He studied the Alps. There was something he did not know that we now know. The Alps did not attain the bulk of their current height until the end of the ice-age! Now they are some 15,000 feet high. Prior to that rise they were only some 2,000 to 3,000 feet.

From that nutty website

Well the Ice Age [most recent] is theorized to have ended 10,000 years ago, so you're suggesting these mountains grew over two MILES higher in less than 10,000 years? I'm not an amazing geologist, but that seems rather far-fetched...

Ice Age never happened. It would be convenient for the story tellers if one did though.

A ‘slow and gradual’ evolutionary Ice Age would appear to be physically impossible. Nevertheless, such a theory is almost universally held and taught, because the alternative would lead directly to the short time-frame of biblical earth history.

The standard proposal is that a massive ice sheet covered the top of the globe reaching from the north pole down to say New York City and down to the straits of Gilbraltar. The Northern version is presented as more extensive than a Southern polar cap.

A first and perhaps prime fact you need to know is that ice does not go uphill. Water doesn't and ice doesn't and glaciers don't. Even over level ground ice doesn't go very far. Specifically it goes up to 7 miles on level ground. Ice just can't push ice further than that. If pressure is applied to push more than 7 miles worth of ice then it gets crushed or melts instead.

"If a solid be so heavy and so big that it requires more than a certain force to move it, it will crush rather than move, that is to say, the whole thrust will be dissipated by the object being reduced to pulp, or even liquid, which will flow away rather than move en masse." [ Howorth, H.H. 1905 Ice or Water? vol 1, p383]

A look at the map shows that the ice would have to be pushed much farther than 7 miles.

With just this info you can see, the ice-age didn't happen!

http://www.blavatsky.net/science/atlantis/emails/ice_age.htm

You sound like a christian.

http://www.geekroar.com/film/archives/ice_age_scrap.jpg

How did early humans move to the indonesian islands, australia and America?
The list goes on.

The Maoris got here by following the line of migrating 'muttonbirds'

They had to come from somewhere.

The Maoris got here by following the line of migrating 'muttonbirds'

They had to come from somewhere.

I was implying that it would be a hell of alot more difficult for early humans to move with sea levels not at there ice age levels as many landbridges would not have existed. As well, what ocean voyages they did take would have to be longer.