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	<title>Comments on: Are we headed for a new ice age?</title>
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	<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/</link>
	<description>I am an astronomer, writer, and skeptic. I likes reality the way it is, and I aims to keep it that way. My real name is Phil Plait, and I run the Bad Astronomy blog.</description>
	<lastBuildDate>Fri, 25 May 2012 07:33:39 +0000</lastBuildDate>
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		<title>By: GAIA</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-5/#comment-519653</link>
		<dc:creator>GAIA</dc:creator>
		<pubDate>Mon, 21 May 2012 08:51:55 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-519653</guid>
		<description>A raise in temperature  means an increase in the water cycle and therefore more rain. Couple that with a raise in CO2 (plant food) and you have an increase in the food supply. The USA can now raise 100 bushels of wheat on three acres instead of five for example.

A fall in temperature means cooler and drier. Marginal farm land such as Russia and Canada and China will no longer be able to produce grain crops. Meanwhile the biofuel idiocy has burned up the world surplus in grain.In 2008 the USDA declared &quot;The cupboard is bare&quot;    Over the last three years the stocks-to-use ratio has dropped 3% from a peak in 2009 of 16.9% to 13.9% in 2011-12.

The earth has been warmer during the Holocene. We know that 6,000 years ago (mid-Holocene)  it was as much as 2-3C warmer. 6000 yrs ago is also when agriculture and civilization started according to the Chinese Academy of Sciences.  It is during the Bond events (look it up) that civilizations collapsed into famine and revolt.

It is cold not warm that is the thing to be feared. Demonizing an essential plant food is a method of control and nothing more.  No wonder CAGW type climate research is funded by Shell oil, British Petroleum and Standard Oil (Rockefeller foundations) Take your head out of the sand and see WHO is trying to scare you.</description>
		<content:encoded><![CDATA[<p>A raise in temperature  means an increase in the water cycle and therefore more rain. Couple that with a raise in CO2 (plant food) and you have an increase in the food supply. The USA can now raise 100 bushels of wheat on three acres instead of five for example.</p>
<p>A fall in temperature means cooler and drier. Marginal farm land such as Russia and Canada and China will no longer be able to produce grain crops. Meanwhile the biofuel idiocy has burned up the world surplus in grain.In 2008 the USDA declared &#8220;The cupboard is bare&#8221;    Over the last three years the stocks-to-use ratio has dropped 3% from a peak in 2009 of 16.9% to 13.9% in 2011-12.</p>
<p>The earth has been warmer during the Holocene. We know that 6,000 years ago (mid-Holocene)  it was as much as 2-3C warmer. 6000 yrs ago is also when agriculture and civilization started according to the Chinese Academy of Sciences.  It is during the Bond events (look it up) that civilizations collapsed into famine and revolt.</p>
<p>It is cold not warm that is the thing to be feared. Demonizing an essential plant food is a method of control and nothing more.  No wonder CAGW type climate research is funded by Shell oil, British Petroleum and Standard Oil (Rockefeller foundations) Take your head out of the sand and see WHO is trying to scare you.</p>
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		<title>By: LC</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-5/#comment-504372</link>
		<dc:creator>LC</dc:creator>
		<pubDate>Tue, 10 Apr 2012 15:57:03 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-504372</guid>
		<description>&quot;As we like to say in the skeptic’s business: correlation does not imply causation. In other words, beware of funny coincidences. &quot;

Good point.  Unfortunately, this applies to both sides of the climate change argument.</description>
		<content:encoded><![CDATA[<p>&#8220;As we like to say in the skeptic’s business: correlation does not imply causation. In other words, beware of funny coincidences. &#8221;</p>
<p>Good point.  Unfortunately, this applies to both sides of the climate change argument.</p>
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		<title>By: bane</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-5/#comment-477508</link>
		<dc:creator>bane</dc:creator>
		<pubDate>Mon, 06 Feb 2012 15:38:58 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-477508</guid>
		<description>Ice age storie is true. And You will know it.</description>
		<content:encoded><![CDATA[<p>Ice age storie is true. And You will know it.</p>
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		<title>By: paul</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-5/#comment-474237</link>
		<dc:creator>paul</dc:creator>
		<pubDate>Tue, 31 Jan 2012 16:13:10 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-474237</guid>
		<description>Carbon dioxided effect on the atmosphere is miniscule and therefore has little effect on climate. It is a trace gas and is to diluted to have any effect. If you&#039;re in bed on a cold night you wouldn&#039;t have just a thin sheet to keep you warm, you would have a thick duvet. Global warming scientist are trying to say that this thin sheet is going to make you hotter. The global warming of recent is caused by the sun which has passed through a grand maxinima recently. The amount of ultraviolet radiation has decreased in recent years. This may effect jet streams and are responsible for the cold winter weather in recent years.</description>
		<content:encoded><![CDATA[<p>Carbon dioxided effect on the atmosphere is miniscule and therefore has little effect on climate. It is a trace gas and is to diluted to have any effect. If you&#8217;re in bed on a cold night you wouldn&#8217;t have just a thin sheet to keep you warm, you would have a thick duvet. Global warming scientist are trying to say that this thin sheet is going to make you hotter. The global warming of recent is caused by the sun which has passed through a grand maxinima recently. The amount of ultraviolet radiation has decreased in recent years. This may effect jet streams and are responsible for the cold winter weather in recent years.</p>
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		<title>By: WilcoWayne</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-472185</link>
		<dc:creator>WilcoWayne</dc:creator>
		<pubDate>Fri, 27 Jan 2012 18:27:13 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-472185</guid>
		<description>I just left a global temp site by NASA.  It showed a linear trend of about 0.44-0.45 degrees C.warming  for the last two centuries.  Another site quoted the global temp for the last 131 or so years as 0.5 deg C.  Pretty much the same.  On top of the linear trend were the oscillatory swings of the warming and cooling periods, i.e. about 0.72 deg C peak to peak.  So, when graphed (up to about 2010), it is obvious that there is no visible  effect of rising CO2.  Another item that I read is that scientists were surprised to see that Arctic waters, without the ice cover, actually cooled down instead of warming up. This was attributed to the insulating effect of the ice cover.  It seems too that snow over ice covered Arctic waters limit the amount of ice formation.  Over land, more snow builds up more ice. I am not passing judgement on any of this.  Just passing it along.  I am glad to see some corrections in this blog of some outright misinformation, i.e. LIA was Northern Hemisphere only.   If what I have presented appears to be likewise, I welcome any comments that will give me a better picture.  Just in any race, not everyone reaches the finish line at the same time.</description>
		<content:encoded><![CDATA[<p>I just left a global temp site by NASA.  It showed a linear trend of about 0.44-0.45 degrees C.warming  for the last two centuries.  Another site quoted the global temp for the last 131 or so years as 0.5 deg C.  Pretty much the same.  On top of the linear trend were the oscillatory swings of the warming and cooling periods, i.e. about 0.72 deg C peak to peak.  So, when graphed (up to about 2010), it is obvious that there is no visible  effect of rising CO2.  Another item that I read is that scientists were surprised to see that Arctic waters, without the ice cover, actually cooled down instead of warming up. This was attributed to the insulating effect of the ice cover.  It seems too that snow over ice covered Arctic waters limit the amount of ice formation.  Over land, more snow builds up more ice. I am not passing judgement on any of this.  Just passing it along.  I am glad to see some corrections in this blog of some outright misinformation, i.e. LIA was Northern Hemisphere only.   If what I have presented appears to be likewise, I welcome any comments that will give me a better picture.  Just in any race, not everyone reaches the finish line at the same time.</p>
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		<title>By: Frank</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-471858</link>
		<dc:creator>Frank</dc:creator>
		<pubDate>Thu, 26 Jan 2012 22:43:02 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-471858</guid>
		<description>It´s so amazing to see so many comments on Earths climate and everything .

I can asure you one thing and that is NO ONE can predict the weather ,earths health , nor on how the sun and our polution is affecting everything/one .

A bunch of Jay sayers and a bunch of Nay sayers , look up the word Climate shift or Earths future and you get about one million on each maybe more and some pretty damn lame excuses on each side of it . If anyone actually had the answer we didn´t have to have these bloggs ,forums etc... 


One can not predict the future nor can we change it with todays so called leaders 

we the ordinary folks just have to suck up everything the goverments say like damn spunge! &quot; A little less conversation A little more action please !&quot;</description>
		<content:encoded><![CDATA[<p>It´s so amazing to see so many comments on Earths climate and everything .</p>
<p>I can asure you one thing and that is NO ONE can predict the weather ,earths health , nor on how the sun and our polution is affecting everything/one .</p>
<p>A bunch of Jay sayers and a bunch of Nay sayers , look up the word Climate shift or Earths future and you get about one million on each maybe more and some pretty damn lame excuses on each side of it . If anyone actually had the answer we didn´t have to have these bloggs ,forums etc&#8230; </p>
<p>One can not predict the future nor can we change it with todays so called leaders </p>
<p>we the ordinary folks just have to suck up everything the goverments say like damn spunge! &#8221; A little less conversation A little more action please !&#8221;</p>
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		<title>By: Sun going into hibernation</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-471799</link>
		<dc:creator>Sun going into hibernation</dc:creator>
		<pubDate>Thu, 26 Jan 2012 19:18:12 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-471799</guid>
		<description>[...]  [...]</description>
		<content:encoded><![CDATA[<p>[...]  [...]</p>
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		<title>By: Suck On This Global Warming!</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-469968</link>
		<dc:creator>Suck On This Global Warming!</dc:creator>
		<pubDate>Sun, 22 Jan 2012 12:31:22 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-469968</guid>
		<description>[...] The answer &#8212; spoiler alert! &#8212; is almost certainly &#8220;no&#8221;. -Dr. Philip Cary Plait, badastronomy.com [...]</description>
		<content:encoded><![CDATA[<p>[...] The answer &#8212; spoiler alert! &#8212; is almost certainly &#8220;no&#8221;. -Dr. Philip Cary Plait, badastronomy.com [...]</p>
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		<title>By: Fred</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-461605</link>
		<dc:creator>Fred</dc:creator>
		<pubDate>Fri, 30 Dec 2011 09:15:36 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-461605</guid>
		<description>&quot;Also, keep in mind the Little Ice Age was not a global phenomenon, but a regional one.&quot;

Incorrect. GLOBAL mean temperature decreased significantly according to virtually all evidence, which makes it a global phenomenon. As with most cooling and warming periods they are felt in certain regions more than others; an example being that Antarctica is presently cooling while the global mean temperature is rising; what determines whether or not it was &quot;a global phenomenon&quot; is the global mean temperature.</description>
		<content:encoded><![CDATA[<p>&#8220;Also, keep in mind the Little Ice Age was not a global phenomenon, but a regional one.&#8221;</p>
<p>Incorrect. GLOBAL mean temperature decreased significantly according to virtually all evidence, which makes it a global phenomenon. As with most cooling and warming periods they are felt in certain regions more than others; an example being that Antarctica is presently cooling while the global mean temperature is rising; what determines whether or not it was &#8220;a global phenomenon&#8221; is the global mean temperature.</p>
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		<title>By: The ICR&#8217;s Acts and &#8216;Facts&#8217; &#8211; November &#171; Eye on the ICR</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-444743</link>
		<dc:creator>The ICR&#8217;s Acts and &#8216;Facts&#8217; &#8211; November &#171; Eye on the ICR</dc:creator>
		<pubDate>Thu, 24 Nov 2011 08:34:47 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-444743</guid>
		<description>[...] following links: See No, a new study does not show cosmic-rays are connected to global warming, Are we headed for a new ice age? and Is global warming solar induced? from Phil Plait for an entry point into the [...]</description>
		<content:encoded><![CDATA[<p>[...] following links: See No, a new study does not show cosmic-rays are connected to global warming, Are we headed for a new ice age? and Is global warming solar induced? from Phil Plait for an entry point into the [...]</p>
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		<title>By: WayneJ</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-443858</link>
		<dc:creator>WayneJ</dc:creator>
		<pubDate>Tue, 22 Nov 2011 14:41:25 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-443858</guid>
		<description>Well, let me add my $0.02 worth.  (1) We know via a literature search, that the news media were the major hypsters in the global cooling scenario in the 70s, not the scientists (2) Methane hydrate has been vouched as
a major player in the Ice Age Recovery (IAR). Yet, the money chasers want to suck it out and burn it as fuel.
Yes, there is a lot of it.  But it is there for a reason.  Leave it alone!  (3) I ask this question, Isn&#039;t an Ice Age preceded by some Arctic warming, increased volcanoes (~ 3 mil undersea/w 7000 active), major increase in winter precipitation, and ... a pole reversal? So, when your compasses point South.  You know what to do!</description>
		<content:encoded><![CDATA[<p>Well, let me add my $0.02 worth.  (1) We know via a literature search, that the news media were the major hypsters in the global cooling scenario in the 70s, not the scientists (2) Methane hydrate has been vouched as<br />
a major player in the Ice Age Recovery (IAR). Yet, the money chasers want to suck it out and burn it as fuel.<br />
Yes, there is a lot of it.  But it is there for a reason.  Leave it alone!  (3) I ask this question, Isn&#8217;t an Ice Age preceded by some Arctic warming, increased volcanoes (~ 3 mil undersea/w 7000 active), major increase in winter precipitation, and &#8230; a pole reversal? So, when your compasses point South.  You know what to do!</p>
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		<title>By: James</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-423495</link>
		<dc:creator>James</dc:creator>
		<pubDate>Wed, 28 Sep 2011 20:22:09 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-423495</guid>
		<description>good article. But I say we will know in about 10 years. If in 2020 the crazed global warming nuts are hyping the coming ice age (like they were in the 1970&#039;s) then we know that global warming is and was a scam all along. I have to admit that global warming almost hooked me until i started to READ and when you start saying I have to give my assets away to someone in a POOR country to prevent global warming. WELL, that&#039;s where u lost me. Re-allocating wealth does nothing to fix global warming. You really need to look hard at everyone who is screaming global warming and their histories. Most are eco nuts, defeated Marxists, and other people who believe they know how better to live your life than you do. Do they really want to save the planet? Or do they just want to rule it?</description>
		<content:encoded><![CDATA[<p>good article. But I say we will know in about 10 years. If in 2020 the crazed global warming nuts are hyping the coming ice age (like they were in the 1970&#8242;s) then we know that global warming is and was a scam all along. I have to admit that global warming almost hooked me until i started to READ and when you start saying I have to give my assets away to someone in a POOR country to prevent global warming. WELL, that&#8217;s where u lost me. Re-allocating wealth does nothing to fix global warming. You really need to look hard at everyone who is screaming global warming and their histories. Most are eco nuts, defeated Marxists, and other people who believe they know how better to live your life than you do. Do they really want to save the planet? Or do they just want to rule it?</p>
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		<title>By: Ken</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-416745</link>
		<dc:creator>Ken</dc:creator>
		<pubDate>Mon, 12 Sep 2011 22:21:43 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-416745</guid>
		<description>Summary of article:  Denial of theory due to opinion.  It is the opinion of author that less sunspots will NOT cause a mini ice age.  It is the opinion of author that global warming is due to man&#039;s activities despite various studies citing otherwise (2007 to 2010 earth average temperature actually cooled!  Sunspots did too!)  It is the opinion of author that less sunspots will NOT cause increase of cosmic rays, which lead to greater cloud formation according to theory.  By theory of double negative (denial of premises are false and author&#039;s opinions are false), this makes the theory that a mini ice age true.  I just find it coincidental that the beginning of the Mayan calender (approx 3500 BC) happens to coincide with the thaw (Biblical flood) from a previous ice age (approx 6500 BC).  One last comment:  Ice ages affect the Northern Hemisphere not the entire world as a comment falsely stated.  Last ice age also happened to be approximately 10000 years ago making us very close to the start of a new ice age)  This makes it more likely, not less likely, to start a new ice age soon.</description>
		<content:encoded><![CDATA[<p>Summary of article:  Denial of theory due to opinion.  It is the opinion of author that less sunspots will NOT cause a mini ice age.  It is the opinion of author that global warming is due to man&#8217;s activities despite various studies citing otherwise (2007 to 2010 earth average temperature actually cooled!  Sunspots did too!)  It is the opinion of author that less sunspots will NOT cause increase of cosmic rays, which lead to greater cloud formation according to theory.  By theory of double negative (denial of premises are false and author&#8217;s opinions are false), this makes the theory that a mini ice age true.  I just find it coincidental that the beginning of the Mayan calender (approx 3500 BC) happens to coincide with the thaw (Biblical flood) from a previous ice age (approx 6500 BC).  One last comment:  Ice ages affect the Northern Hemisphere not the entire world as a comment falsely stated.  Last ice age also happened to be approximately 10000 years ago making us very close to the start of a new ice age)  This makes it more likely, not less likely, to start a new ice age soon.</p>
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		<title>By: The ICR&#8217;s Acts and &#8216;Facts&#8217; &#8211; September &#171; Eye on the ICR</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-412572</link>
		<dc:creator>The ICR&#8217;s Acts and &#8216;Facts&#8217; &#8211; September &#171; Eye on the ICR</dc:creator>
		<pubDate>Thu, 01 Sep 2011 08:31:45 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-412572</guid>
		<description>[...] Change Denialists. See No, a new study does not show cosmic-rays are connected to global warming, Are we headed for a new ice age? and Is global warming solar induced? from Phil Plait for an entry point into the [...]</description>
		<content:encoded><![CDATA[<p>[...] Change Denialists. See No, a new study does not show cosmic-rays are connected to global warming, Are we headed for a new ice age? and Is global warming solar induced? from Phil Plait for an entry point into the [...]</p>
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		<title>By: Suck On This Global Warming! &#124; Earth Potentially Headed Into Mini Ice-Age</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-404441</link>
		<dc:creator>Suck On This Global Warming! &#124; Earth Potentially Headed Into Mini Ice-Age</dc:creator>
		<pubDate>Mon, 08 Aug 2011 20:21:53 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-404441</guid>
		<description>[...] The answer — spoiler alert! — is almost certainly &#8220;no”.  -Dr. Philip Cary Plait, badastronomy.com [...]</description>
		<content:encoded><![CDATA[<p>[...] The answer — spoiler alert! — is almost certainly &#8220;no”.  -Dr. Philip Cary Plait, badastronomy.com [...]</p>
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		<title>By: telson</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-396570</link>
		<dc:creator>telson</dc:creator>
		<pubDate>Sun, 10 Jul 2011 07:32:35 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-396570</guid>
		<description>The Ice Age is not a very old concept. It was not thought of in the 1700s, just like the theory of evolution was not widely known then either. This theory only gained ground in the 1840s when two researchers, Charpentier and Agassiz, tried to explain the forms of the Alps by the theory and later expanded it to apply to the whole of Northern Europe. It is surprising that this theory came to light almost at the same time as Darwin&#039;s idea of the origin of species. Both of these theories gained simultaneous attention in the society of that time.

   It has been thought that there have been several Ice Ages on the Earth. It has even been said that tropical and hot areas like the Sahara, Africa, Saudi Arabia, Yemen, Australia, India, Madagascar, and South America (as presented in the books Jääkausi (Ice Age) / Björn Kurten and Muuttuva maa / Pentti Eskola, for example) were covered with a large continental glacier tens of millions of years ago. The latest Ice Age is assumed to have started &quot;just&quot; about 500,000 years ago and ended 10,000 years ago. The ice sheets are believed to have covered at their widest 55 million square meters, and the thickness of the ice was at most over 3 kilometers (about 1.8 miles).
    What should we think about the Ice Age? Have we any reason to believe in it? Maybe the signs that have been interpreted as signs of an Ice Age were caused by something else? We will now study the mystery of the Ice Age.

http://www.jariiivanainen.net/Has_there_ever_been_the_ice_age.html</description>
		<content:encoded><![CDATA[<p>The Ice Age is not a very old concept. It was not thought of in the 1700s, just like the theory of evolution was not widely known then either. This theory only gained ground in the 1840s when two researchers, Charpentier and Agassiz, tried to explain the forms of the Alps by the theory and later expanded it to apply to the whole of Northern Europe. It is surprising that this theory came to light almost at the same time as Darwin&#8217;s idea of the origin of species. Both of these theories gained simultaneous attention in the society of that time.</p>
<p>   It has been thought that there have been several Ice Ages on the Earth. It has even been said that tropical and hot areas like the Sahara, Africa, Saudi Arabia, Yemen, Australia, India, Madagascar, and South America (as presented in the books Jääkausi (Ice Age) / Björn Kurten and Muuttuva maa / Pentti Eskola, for example) were covered with a large continental glacier tens of millions of years ago. The latest Ice Age is assumed to have started &#8220;just&#8221; about 500,000 years ago and ended 10,000 years ago. The ice sheets are believed to have covered at their widest 55 million square meters, and the thickness of the ice was at most over 3 kilometers (about 1.8 miles).<br />
    What should we think about the Ice Age? Have we any reason to believe in it? Maybe the signs that have been interpreted as signs of an Ice Age were caused by something else? We will now study the mystery of the Ice Age.</p>
<p><a href="http://www.jariiivanainen.net/Has_there_ever_been_the_ice_age.html" rel="nofollow">http://www.jariiivanainen.net/Has_there_ever_been_the_ice_age.html</a></p>
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		<title>By: Global warming? A new ice age? &#171; THE INTERNET POST</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-396312</link>
		<dc:creator>Global warming? A new ice age? &#171; THE INTERNET POST</dc:creator>
		<pubDate>Sat, 09 Jul 2011 11:46:39 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-396312</guid>
		<description>[...] Are we headed for a new ice age? (blogs.discovermagazine.com) [...]</description>
		<content:encoded><![CDATA[<p>[...] Are we headed for a new ice age? (blogs.discovermagazine.com) [...]</p>
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		<title>By: Possible &#8216;Little Ice Age&#8217; for Ireland could last 11 years as sun cools &#124; The GOLDEN RULE</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-396301</link>
		<dc:creator>Possible &#8216;Little Ice Age&#8217; for Ireland could last 11 years as sun cools &#124; The GOLDEN RULE</dc:creator>
		<pubDate>Sat, 09 Jul 2011 09:37:58 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-396301</guid>
		<description>[...] Are we headed for a new ice age? (blogs.discovermagazine.com) [...]</description>
		<content:encoded><![CDATA[<p>[...] Are we headed for a new ice age? (blogs.discovermagazine.com) [...]</p>
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		<title>By: paul</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-395203</link>
		<dc:creator>paul</dc:creator>
		<pubDate>Wed, 06 Jul 2011 22:58:21 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-395203</guid>
		<description>everything points to an ice age</description>
		<content:encoded><![CDATA[<p>everything points to an ice age</p>
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	<item>
		<title>By: paul</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-395202</link>
		<dc:creator>paul</dc:creator>
		<pubDate>Wed, 06 Jul 2011 22:57:05 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-395202</guid>
		<description>You are an idiot.</description>
		<content:encoded><![CDATA[<p>You are an idiot.</p>
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		<title>By: Ekroz</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-392574</link>
		<dc:creator>Ekroz</dc:creator>
		<pubDate>Tue, 28 Jun 2011 22:16:18 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-392574</guid>
		<description>BA, you mentioned that the reduction of ozone caused the jet stream to be weaker, which led to it bringing cold air south from the north pole. But wouldn&#039;t that also happen during the summers, making them colder than average? Or would the temperature gradients you mentioned be smooth enough for the jet stream to not have an impact during summer?</description>
		<content:encoded><![CDATA[<p>BA, you mentioned that the reduction of ozone caused the jet stream to be weaker, which led to it bringing cold air south from the north pole. But wouldn&#8217;t that also happen during the summers, making them colder than average? Or would the temperature gradients you mentioned be smooth enough for the jet stream to not have an impact during summer?</p>
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		<title>By: Are We Alone, Little Ice Age edition &#124; Bad Astronomy &#124; Tech News</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-392557</link>
		<dc:creator>Are We Alone, Little Ice Age edition &#124; Bad Astronomy &#124; Tech News</dc:creator>
		<pubDate>Tue, 28 Jun 2011 21:15:08 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-392557</guid>
		<description>[...] Here&#8217;s an article I wrote about this topic, and here&#8217;s the direct link to the show. [...]</description>
		<content:encoded><![CDATA[<p>[...] Here&#8217;s an article I wrote about this topic, and here&#8217;s the direct link to the show. [...]</p>
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		<title>By: Mark Schaffer</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-391744</link>
		<dc:creator>Mark Schaffer</dc:creator>
		<pubDate>Sat, 25 Jun 2011 16:37:48 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-391744</guid>
		<description>Erick doesn&#039;t know the science of climate systems but is sure it is all natural.  Enough said.</description>
		<content:encoded><![CDATA[<p>Erick doesn&#8217;t know the science of climate systems but is sure it is all natural.  Enough said.</p>
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		<title>By: eric</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-391348</link>
		<dc:creator>eric</dc:creator>
		<pubDate>Thu, 23 Jun 2011 16:41:34 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-391348</guid>
		<description>you people are all INSANE!. Stop trying to predict the future of our climate, neither will occur except for the natural cycles the earth experiences. Present measurements do not predict the future, sorry!</description>
		<content:encoded><![CDATA[<p>you people are all INSANE!. Stop trying to predict the future of our climate, neither will occur except for the natural cycles the earth experiences. Present measurements do not predict the future, sorry!</p>
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		<title>By: Messier Tidy Upper</title>
		<link>http://blogs.discovermagazine.com/badastronomy/2011/06/17/are-we-headed-for-a-new-ice-age/comment-page-4/#comment-391007</link>
		<dc:creator>Messier Tidy Upper</dc:creator>
		<pubDate>Wed, 22 Jun 2011 03:45:27 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.discovermagazine.com/badastronomy/?p=33350#comment-391007</guid>
		<description>@174.   Dave Burton : Fair enough, thanks. :-)

I&#039;ll look at &amp; consider those - I&#039;ve only just seen your reply there which wasn&#039;t visible earlier when I wrote #175  - the moderation delay effect at work. :-(

I will just note that the WUWT site is a much criticised, very biased climate contrarian site.  I agree that name-calling is a bad tactic and that &quot;Deniers&quot; is a perjorative best avoided.  Greenman does indeed do some of that - but I also think he does present a lot of real facts and (mostly)  good science presented in a usually entertaining way. The interviews with real scientists and people affected for instance. 

Perhaps the climatologists get a few specific details wrong - such as the phytoplankton decine not happening as predicted - but I still think the overwhelming mass of evidence supports the scientific consenus on AGW. 

@178.   Jim :  &lt;i&gt;&quot;I’ll be moving to Venus when the next ice age hits.&quot;&lt;/i&gt;

&lt;b&gt;YIKES!&lt;/b&gt; Talk about out of the frying pan into the fire!  ;-)</description>
		<content:encoded><![CDATA[<p>@174.   Dave Burton : Fair enough, thanks. <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>I&#8217;ll look at &amp; consider those &#8211; I&#8217;ve only just seen your reply there which wasn&#8217;t visible earlier when I wrote #175  &#8211; the moderation delay effect at work. <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_sad.gif' alt=':-(' class='wp-smiley' /> </p>
<p>I will just note that the WUWT site is a much criticised, very biased climate contrarian site.  I agree that name-calling is a bad tactic and that &#8220;Deniers&#8221; is a perjorative best avoided.  Greenman does indeed do some of that &#8211; but I also think he does present a lot of real facts and (mostly)  good science presented in a usually entertaining way. The interviews with real scientists and people affected for instance. </p>
<p>Perhaps the climatologists get a few specific details wrong &#8211; such as the phytoplankton decine not happening as predicted &#8211; but I still think the overwhelming mass of evidence supports the scientific consenus on AGW. </p>
<p>@178.   Jim :  <i>&#8220;I’ll be moving to Venus when the next ice age hits.&#8221;</i></p>
<p><b>YIKES!</b> Talk about out of the frying pan into the fire!  <img src='http://blogs.discovermagazine.com/badastronomy/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
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