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	<title>Comments on: Climate change deniers misrepresent new study that finds climate models underestimate warming</title>
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	<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/</link>
	<description>The Latest on Climate Science, Solutions, and Politics</description>
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		<title>By: dhogaza</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99691</link>
		<dc:creator>dhogaza</dc:creator>
		<pubDate>Mon, 20 Jul 2009 14:04:32 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99691</guid>
		<description>&lt;blockquote&gt;Morano is calling this good news for the deniers?

Is he really that ignorant...
&lt;/blockquote&gt;

Go read the comments at Watts&#039; blog and you&#039;ll see that for the most part they really *are* that ignorant, and those that try to set them straight are pretty much shouted down.

I think they&#039;re fairly representative of the average RWingnut denialist.

As to whether or not Morano himself is that ignorant ... well, I can&#039;t imagine he would *intentionally* post a piece that warns people that things could be roughly twice as bad as thought.  He had to believe it shows &quot;CO2 is harmless!&quot; just like the rest of the denialsphere...</description>
		<content:encoded><![CDATA[<blockquote><p>Morano is calling this good news for the deniers?</p>
<p>Is he really that ignorant&#8230;
</p></blockquote>
<p>Go read the comments at Watts&#8217; blog and you&#8217;ll see that for the most part they really *are* that ignorant, and those that try to set them straight are pretty much shouted down.</p>
<p>I think they&#8217;re fairly representative of the average RWingnut denialist.</p>
<p>As to whether or not Morano himself is that ignorant &#8230; well, I can&#8217;t imagine he would *intentionally* post a piece that warns people that things could be roughly twice as bad as thought.  He had to believe it shows &#8220;CO2 is harmless!&#8221; just like the rest of the denialsphere&#8230;</p>
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		<title>By: Gail</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99685</link>
		<dc:creator>Gail</dc:creator>
		<pubDate>Mon, 20 Jul 2009 12:28:02 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99685</guid>
		<description>We will have to have a virtual barbeque so as not to exacerbate our collective carbon footprints.

I do think we must figure out a way to take carbon from the atmosphere, there is already too much, never mind we are constantly adding more.

At least, the US Congress has admitted, by a slim but vital majority, that we must do something about climate change.  So don&#039;t curl up and die quite yet!</description>
		<content:encoded><![CDATA[<p>We will have to have a virtual barbeque so as not to exacerbate our collective carbon footprints.</p>
<p>I do think we must figure out a way to take carbon from the atmosphere, there is already too much, never mind we are constantly adding more.</p>
<p>At least, the US Congress has admitted, by a slim but vital majority, that we must do something about climate change.  So don&#8217;t curl up and die quite yet!</p>
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		<title>By: Leland Palmer</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99677</link>
		<dc:creator>Leland Palmer</dc:creator>
		<pubDate>Mon, 20 Jul 2009 09:49:21 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99677</guid>
		<description>Hi Gail-

Santa Rosa, California is where I live. Pretty weather today, a little hot but not bad. Barbecue sounds nice. :)

The Daily Kos piece seems to have slipped a decimal point, somewhere:

&lt;blockquote&gt;The transition from Paleocene to Eocene was so dramatic due to a large outgassing of methane clathrates. This ‘methane ice’ exists in cold, deep waters all over the globe and humans have recently begun trying to exploit it as a another fossil carbon source. Methane has the same amount of carbon in it as carbon dioxide, but it’s twenty times more powerful in terms of heat retention.

   &lt;b&gt;So here we are, currently kicking out about four gigatons more carbon annually due to fossil fuel usage than the Earth can uptake on its own, that’s double the estimated output of the clathrate outgassing event behind the PETM, and we’ve not yet triggered the conditions that’ll cause major clathrate outgassing.&lt;/b&gt; &lt;/blockquote&gt;

He&#039;s got it wrong by a factor of a thousand, I think, thank all the Gods. We&#039;re tossing 4 more gigatons of carbon from fossil fuels per year into the atmosphere than the earth can take up on its own, that&#039;s roughly right, I think. But the PETM dumped something like 4 thousand gigatons (3 or 4 trillion tons) of carbon from the methane hydrates into the atmosphere, I think that&#039;s right. So the current situation doesn&#039;t compare in size to the PETM, at least not yet. 

So, we still have time to turn this thing around, and enjoy our own time, and eat some chicken. If we go to carbon negative technologies, we could even be back to normal in a few decades, if we hit it hard and fast, and convert every coal fired power plant on the planet to a carbon negative biomass plus sequestration power plant, I think. Unless we let it go too far, and the feedback processes get too out of control.

I&#039;m trying to solve the personal problem of how I can enjoy life while admitting the reality of global warming. It&#039;s such a depressing subject, I just want to curl up and die. But that won&#039;t help the planet.

Can we fight global warming enthusiastically, productively, joyously, knowing that the end is not in sight, and looks pretty dark?

It seems possible if we get the technological details right to turn this problem around, and even have a good time doing it.</description>
		<content:encoded><![CDATA[<p>Hi Gail-</p>
<p>Santa Rosa, California is where I live. Pretty weather today, a little hot but not bad. Barbecue sounds nice. <img src='http://climateprogress.org/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
<p>The Daily Kos piece seems to have slipped a decimal point, somewhere:</p>
<blockquote><p>The transition from Paleocene to Eocene was so dramatic due to a large outgassing of methane clathrates. This ‘methane ice’ exists in cold, deep waters all over the globe and humans have recently begun trying to exploit it as a another fossil carbon source. Methane has the same amount of carbon in it as carbon dioxide, but it’s twenty times more powerful in terms of heat retention.</p>
<p>   <b>So here we are, currently kicking out about four gigatons more carbon annually due to fossil fuel usage than the Earth can uptake on its own, that’s double the estimated output of the clathrate outgassing event behind the PETM, and we’ve not yet triggered the conditions that’ll cause major clathrate outgassing.</b> </p></blockquote>
<p>He&#8217;s got it wrong by a factor of a thousand, I think, thank all the Gods. We&#8217;re tossing 4 more gigatons of carbon from fossil fuels per year into the atmosphere than the earth can take up on its own, that&#8217;s roughly right, I think. But the PETM dumped something like 4 thousand gigatons (3 or 4 trillion tons) of carbon from the methane hydrates into the atmosphere, I think that&#8217;s right. So the current situation doesn&#8217;t compare in size to the PETM, at least not yet. </p>
<p>So, we still have time to turn this thing around, and enjoy our own time, and eat some chicken. If we go to carbon negative technologies, we could even be back to normal in a few decades, if we hit it hard and fast, and convert every coal fired power plant on the planet to a carbon negative biomass plus sequestration power plant, I think. Unless we let it go too far, and the feedback processes get too out of control.</p>
<p>I&#8217;m trying to solve the personal problem of how I can enjoy life while admitting the reality of global warming. It&#8217;s such a depressing subject, I just want to curl up and die. But that won&#8217;t help the planet.</p>
<p>Can we fight global warming enthusiastically, productively, joyously, knowing that the end is not in sight, and looks pretty dark?</p>
<p>It seems possible if we get the technological details right to turn this problem around, and even have a good time doing it.</p>
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		<title>By: Mike#22</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99656</link>
		<dc:creator>Mike#22</dc:creator>
		<pubDate>Mon, 20 Jul 2009 01:33:14 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99656</guid>
		<description>(clarification) How do the educated (of the) deniers/delayers sleep at all?

?</description>
		<content:encoded><![CDATA[<p>(clarification) How do the educated (of the) deniers/delayers sleep at all?</p>
<p>?</p>
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		<title>By: Casey Chapple</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99654</link>
		<dc:creator>Casey Chapple</dc:creator>
		<pubDate>Mon, 20 Jul 2009 01:19:49 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99654</guid>
		<description>You got me there, JR. I guess I passed up Mr. Morano because you call him a Swift Boater (which I chose to believe. Is it true?). Even I know they lack credibility. So why would you feel threatened by him? [It should be noted here that JR censored this part of my first post: with regard to the failure to cite or link to &quot;deniers&quot;, &quot;This may be intentional. Perhaps the author doesn&#039;t care about those of us needing more complete information and wants only to speak to the choir. That&#039;s fine, I guess, if that&#039;s the case. Consider this, though. Maybe the author is discouraging the seeking out of additional information for propagandistic purposes. That would be very bad. Don&#039;t you think so?&quot;] So why all the bluster about what a fool has to say? Why not pick on somebody your own size? That would be interesting and worth studying. But since you don&#039;t, you have posters here reading press releases and moaning and groaning about the stupid deniers. What&#039;s the use of that? You&#039;re not gonna change any minds THAT way.</description>
		<content:encoded><![CDATA[<p>You got me there, JR. I guess I passed up Mr. Morano because you call him a Swift Boater (which I chose to believe. Is it true?). Even I know they lack credibility. So why would you feel threatened by him? [It should be noted here that JR censored this part of my first post: with regard to the failure to cite or link to "deniers", "This may be intentional. Perhaps the author doesn't care about those of us needing more complete information and wants only to speak to the choir. That's fine, I guess, if that's the case. Consider this, though. Maybe the author is discouraging the seeking out of additional information for propagandistic purposes. That would be very bad. Don't you think so?"] So why all the bluster about what a fool has to say? Why not pick on somebody your own size? That would be interesting and worth studying. But since you don&#8217;t, you have posters here reading press releases and moaning and groaning about the stupid deniers. What&#8217;s the use of that? You&#8217;re not gonna change any minds THAT way.</p>
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		<title>By: Mike#22</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99653</link>
		<dc:creator>Mike#22</dc:creator>
		<pubDate>Mon, 20 Jul 2009 01:16:57 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99653</guid>
		<description>Leland:  &quot;They say that the source of that C13 depleted carbon is unknown, but one source that would fit the description is about three or four trillion tons of C13 depleted methane from the methane hydrates.&quot;

Sleep well Morano.</description>
		<content:encoded><![CDATA[<p>Leland:  &#8220;They say that the source of that C13 depleted carbon is unknown, but one source that would fit the description is about three or four trillion tons of C13 depleted methane from the methane hydrates.&#8221;</p>
<p>Sleep well Morano.</p>
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		<title>By: Casey Chapple</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99650</link>
		<dc:creator>Casey Chapple</dc:creator>
		<pubDate>Mon, 20 Jul 2009 00:20:19 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99650</guid>
		<description>There is a &quot;preaching to the choir&quot; problem here. Anybody seeking an evenhanded presentation of the issues gets only one side here. For instance, in this entry, the author refers to &quot;climate science deniers&quot; who &quot;are touting a new study that finds we might return to the rapid global warming of the Palaeocene-Eocene thermal maximum (PETM) with much lower levels of CO2 than previously thought.&quot; But nowhere does the author provide names or links to those &quot;deniers&quot; preventing the reader from judging for him/herself whether or not the author is accurately reporting their remarks. Even the Union of Concerned Scientists neglects to reveal their sources for their accusations of denialism.

[&lt;em&gt;&lt;strong&gt;JR:  This statement is utterly false, as any reader can tell.  I provided Morano&#039;s name -- but I don&#039;t link to his site.  It ain&#039;t hard to find his piece on this.&lt;/strong&gt;&lt;/em&gt;]

[snip]</description>
		<content:encoded><![CDATA[<p>There is a &#8220;preaching to the choir&#8221; problem here. Anybody seeking an evenhanded presentation of the issues gets only one side here. For instance, in this entry, the author refers to &#8220;climate science deniers&#8221; who &#8220;are touting a new study that finds we might return to the rapid global warming of the Palaeocene-Eocene thermal maximum (PETM) with much lower levels of CO2 than previously thought.&#8221; But nowhere does the author provide names or links to those &#8220;deniers&#8221; preventing the reader from judging for him/herself whether or not the author is accurately reporting their remarks. Even the Union of Concerned Scientists neglects to reveal their sources for their accusations of denialism.</p>
<p>[<em><strong>JR:  This statement is utterly false, as any reader can tell.  I provided Morano's name -- but I don't link to his site.  It ain't hard to find his piece on this.</strong></em>]</p>
<p>[snip]</p>
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		<title>By: Gail</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99644</link>
		<dc:creator>Gail</dc:creator>
		<pubDate>Sun, 19 Jul 2009 23:32:22 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99644</guid>
		<description>Oh and BTW Leland Palmer, where are you?

I still would love to host a gigantic or even small summer barbeque for us faithful to the overlords of DOOM, later this summer srsly?

I can promise ya&#039;ll delectable ribs and salads!  Much better than that fuquetagd with his crummy greasy chicken!</description>
		<content:encoded><![CDATA[<p>Oh and BTW Leland Palmer, where are you?</p>
<p>I still would love to host a gigantic or even small summer barbeque for us faithful to the overlords of DOOM, later this summer srsly?</p>
<p>I can promise ya&#8217;ll delectable ribs and salads!  Much better than that fuquetagd with his crummy greasy chicken!</p>
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		<title>By: Gail</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99638</link>
		<dc:creator>Gail</dc:creator>
		<pubDate>Sun, 19 Jul 2009 21:59:41 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99638</guid>
		<description>Oh boy, Leland Palmer, I have stumbled across the motherlode, the holy grail of climaticide, the sacred secret lair of our Cult of Doom overlords:

http://www.dailykos.com/story/2009/7/19/755099/-Contemplating-Human-Extinction-(updated)

The comments!  The links!  (Start with the very first by 
A Siegel, &quot;OMFG Climate Models Might be Wrong!!!&quot; an astute and even funny post about the study you referred to).
I&#039;m going to be wallowing in this for countless hours.  Maybe days.  Maybe the rest of eternity, since there is only 5 4 3 2 1 years left...

I am so glad I had a nice picnic with my family today, under the speckled shade of pockmarked trees, where we enjoyed almost the very last of the fish ceviche, and gazpacho, and cheese from France transported at great carbon cost, and listened to beautiful music.  Cherish the moments.</description>
		<content:encoded><![CDATA[<p>Oh boy, Leland Palmer, I have stumbled across the motherlode, the holy grail of climaticide, the sacred secret lair of our Cult of Doom overlords:</p>
<p><a href="http://www.dailykos.com/story/2009/7/19/755099/-Contemplating-Human-Extinction-(updated)" rel="nofollow">http://www.dailykos.com/<span style="font-size: 1px;"> </span>story/<span style="font-size: 1px;"> </span>2009/<span style="font-size: 1px;"> </span>7/<span style="font-size: 1px;"> </span>19/<span style="font-size: 1px;"> </span>755099/<span style="font-size: 1px;"> </span>-Contemplating-Human-Extinction-(updated)</a></p>
<p>The comments!  The links!  (Start with the very first by<br />
A Siegel, &#8220;OMFG Climate Models Might be Wrong!!!&#8221; an astute and even funny post about the study you referred to).<br />
I&#8217;m going to be wallowing in this for countless hours.  Maybe days.  Maybe the rest of eternity, since there is only 5 4 3 2 1 years left&#8230;</p>
<p>I am so glad I had a nice picnic with my family today, under the speckled shade of pockmarked trees, where we enjoyed almost the very last of the fish ceviche, and gazpacho, and cheese from France transported at great carbon cost, and listened to beautiful music.  Cherish the moments.</p>
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		<title>By: Leland Palmer</title>
		<link>http://climateprogress.org/2009/07/17/climate-science-petm-methane-feedback-global-warming-nature-geoscience/#comment-99629</link>
		<dc:creator>Leland Palmer</dc:creator>
		<pubDate>Sun, 19 Jul 2009 17:22:51 +0000</pubDate>
		<guid isPermaLink="false">http://climateprogress.org/?p=9117#comment-99629</guid>
		<description>Here&#039;s the abstract from Nature:

&lt;blockquote&gt;Carbon dioxide forcing alone insufficient to explain Palaeocene–Eocene Thermal Maximum warming

Richard E. Zeebe1, James C. Zachos2 &amp; Gerald R. Dickens3

Top of page

The Palaeocene–Eocene Thermal Maximum (about 55 Myr ago) represents a possible analogue for the future and thus may provide insight into climate system sensitivity and feedbacks (1, 2). The key feature of this event is the release of a large mass of 13C-depleted carbon into the carbon reservoirs at the Earth&#039;s surface, although the source remains an open issue (3, 4). Concurrently, global surface temperatures rose by 5–9 °C within a few thousand years (5, 6, 7, 8, 9). Here we use published palaeorecords of deep-sea carbonate dissolution (10, 11, 12, 13, 14) and stable carbon isotope composition (10, 15, 16, 17) along with a carbon cycle model to constrain the initial carbon pulse to a magnitude of 3,000 Pg C or less, with an isotopic composition lighter than -50permil. As a result, atmospheric carbon dioxide concentrations increased during the main event by less than about 70% compared with pre-event levels. At accepted values for the climate sensitivity to a doubling of the atmospheric CO2 concentration1, this rise in CO2 can explain only between 1 and 3.5 °C of the warming inferred from proxy records. We conclude that in addition to direct CO2 forcing, other processes and/or feedbacks that are hitherto unknown must have caused a substantial portion of the warming during the Palaeocene–Eocene Thermal Maximum. Once these processes have been identified, their potential effect on future climate change needs to be taken into account. &lt;/blockquote&gt;

There were large amounts of C13 depleted carbon entering the atmosphere, they say.

They say that the source of that C13 depleted carbon is unknown, but one source that would fit the description is about three or four trillion tons of C13 depleted methane from the methane hydrates.

CO2 forcing alone is not sufficient to explain the temperature deviations, they say.

They are implying methane forcing, of course, and just using scientifically cautious terminology, I think. Methane is a much more potent greenhouse gas than CO2, although it oxidizes into CO2 currently with a halflife of about 12 years, I think, being oxidized by the hydroxyl radical. 

This all makes a consistent scenario, isotope ratios and all, with a mild to moderate methane catastrophe, sad to say. The webbook at killerinourmidst.com, also seems to make a consistent scenario for a more severe methane catastrophe, the Permain/Triassic mass extinction. 

Oh, and production of hydrogen sulfide reduces hydroxyl radical concentrations in the atmosphere, and increases methane residence time in the atmosphere, another part of the methane catastrophe by methane hydrate release scenario.

Morano is calling this good news for the deniers? 

Is he really that ignorant, or does he just want to confuse as many people as possible?</description>
		<content:encoded><![CDATA[<p>Here&#8217;s the abstract from Nature:</p>
<blockquote><p>Carbon dioxide forcing alone insufficient to explain Palaeocene–Eocene Thermal Maximum warming</p>
<p>Richard E. Zeebe1, James C. Zachos2 &amp; Gerald R. Dickens3</p>
<p>Top of page</p>
<p>The Palaeocene–Eocene Thermal Maximum (about 55 Myr ago) represents a possible analogue for the future and thus may provide insight into climate system sensitivity and feedbacks (1, 2). The key feature of this event is the release of a large mass of 13C-depleted carbon into the carbon reservoirs at the Earth&#8217;s surface, although the source remains an open issue (3, 4). Concurrently, global surface temperatures rose by 5–9 °C within a few thousand years (5, 6, 7, 8, 9). Here we use published palaeorecords of deep-sea carbonate dissolution (10, 11, 12, 13, 14) and stable carbon isotope composition (10, 15, 16, 17) along with a carbon cycle model to constrain the initial carbon pulse to a magnitude of 3,000 Pg C or less, with an isotopic composition lighter than -50permil. As a result, atmospheric carbon dioxide concentrations increased during the main event by less than about 70% compared with pre-event levels. At accepted values for the climate sensitivity to a doubling of the atmospheric CO2 concentration1, this rise in CO2 can explain only between 1 and 3.5 °C of the warming inferred from proxy records. We conclude that in addition to direct CO2 forcing, other processes and/or feedbacks that are hitherto unknown must have caused a substantial portion of the warming during the Palaeocene–Eocene Thermal Maximum. Once these processes have been identified, their potential effect on future climate change needs to be taken into account. </p></blockquote>
<p>There were large amounts of C13 depleted carbon entering the atmosphere, they say.</p>
<p>They say that the source of that C13 depleted carbon is unknown, but one source that would fit the description is about three or four trillion tons of C13 depleted methane from the methane hydrates.</p>
<p>CO2 forcing alone is not sufficient to explain the temperature deviations, they say.</p>
<p>They are implying methane forcing, of course, and just using scientifically cautious terminology, I think. Methane is a much more potent greenhouse gas than CO2, although it oxidizes into CO2 currently with a halflife of about 12 years, I think, being oxidized by the hydroxyl radical. </p>
<p>This all makes a consistent scenario, isotope ratios and all, with a mild to moderate methane catastrophe, sad to say. The webbook at killerinourmidst.com, also seems to make a consistent scenario for a more severe methane catastrophe, the Permain/Triassic mass extinction. </p>
<p>Oh, and production of hydrogen sulfide reduces hydroxyl radical concentrations in the atmosphere, and increases methane residence time in the atmosphere, another part of the methane catastrophe by methane hydrate release scenario.</p>
<p>Morano is calling this good news for the deniers? </p>
<p>Is he really that ignorant, or does he just want to confuse as many people as possible?</p>
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