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michael sweet at 11:53 AM on 31 December 2018Climate Carbon Bookkeeping
Dan Joppich,
Just yesterday I posted this graph which shows CO2 variations going back over 800,000 years.
Most posters at this site follow the comments link at the top of the page so they can see everything that is posted as it comes on.
To answer your other questions
1) We do not see spikes because volcanos and fires in Indonesia produce too little CO2 to be detected. Massive CO2 emissions like present time fossil fuels are required. (Although farmers have caused CO2 to increase for the past 8,000 years).
2) Obviously there was data from many cores collected to produce this graph. Follow the link on the graph in the OP to find out how the graph was made. Thousands of cores have been drilled.
3) The data I linked is from the core that goes furthest back in time (a single core). Data back to at least 400,000 years can be cross-checked with other cores but Dome C is believed to have the oldest ice on the planet so the best you could do to check the oldest data would be to drill another core at the same location. For cores going back only 1000 years even relatively small glaciers would go back that far.
Data beyond 800,000 years is available from other sources. These sources are not as accurate as ice cores.
4) Here is the correlation for the past 400,000 years.
source As you can see, temperature and CO2 concentration correlate very closely. There is no need for statistical analysis.
":Skeptics" provide a number of hare-brained excuses for the increase besides fossil fuel burning. They have all been shown to be incorrect. It is also not the sun. See the arguments in the upper left if you have questions.
Natural changes in CO2 concentrations are very slow. Current changes in CO2 are faster than any known for at least 50 million years (and probably much longer, perhaps the fastest ever in the history of the Earth). Looking at only 1000 years they are usually fairly flat, even during periods of glacial change. Note that the greatest change in the 800,000 year graph is only about 80 ppm in 10,000 years. The recent graph in the OP shows about 200 ppm in 200 years, approximately two orders of magnitude faster than any natural change. The Mauna Loa record shows 100 ppm change since 1960 or 58 years.
CO2 change is not localized. While CO2 is often higher in cities, scientists measure CO2 in remote locations so that only global chnges are measured. Your opinion is incorrect.
Read more background material before you challenge established science.
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michael sweet at 11:06 AM on 31 December 2018Volcanoes emit more CO2 than humans
Ancient Nerd,
I know the graph reads earlier on the left. There is a very large drop in CO2 at about 625ky. The bottom of the graph is lower CO2. There is no significant increase of CO2 anywhere near 630. Look at the graph again.
The dates are well established. You must cite a reference if you wish to challenge accepted science. There were 13 eruptions in the southern hemisphere in the last 200,000 years to date the ice. It appears that you are just making things up to suit your preconceived notions.
This data shows that CO2 from the Yellowstone volcano did not affect world wide CO2 concentrations.
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WayneK at 10:00 AM on 31 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
2nd try at doing the link correctly: <a href="https://issuu.com/unipcc/docs/syr_ar5_final_full_wcover/24"> 2014 Synthesis, pp 7-8</a>
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One Planet Only Forever at 09:51 AM on 31 December 20182018 SkS Weekly Climate Change & Global Warming Digest #52
Regarding the Editorial of the Week: "Opinion: Our house is on fire, and many Albertans want more lighters".
In addition to the obvious points made in the article about natural disaster consequences of climate change impacting Alberta, the fresh water supply from glaciers immediately west of Alberta is also threatened. This CBC News item is one of many on a recent report. "80% of mountain glaciers in Alberta, B.C. and Yukon will disappear within 50 years: report".
As a long time resident of Alberta I can confirm that the authors of the Opinion piece are correct about the potential level of dislike they may face for presenting this understanding.
In Alberta, politicians who support LGBTQ rights have received death threats. Exposing the way that climate science has proven the unacceptability of the way people try to get rich or enjoy their life is even more threatening in Alberta than standing up for the acceptance of, and fair and decent treatment of, LGBTQ people.
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WayneK at 09:49 AM on 31 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
I think I succeeded in creating a direct link to pages in a report (bear with me since this is my first try to link properly): <a href="https://issuu.com/unipcc/docs/syr_ar5_final_full_wcover/24"> 2014 Synthesis, pp 7-8</a>
Click on "full screen" in the lower right, then use the zoom bar in the same area to enlarge the view as needed. To link to another page, click on "share" in the upper right and copy the link that comes up.
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nigelj at 08:51 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
OPOF @36
Yes. Neoliberalism is problematic I think. It is clearly funamentally embedded in the climate problem, so not off topic I hope.
I don't know that neoliberalism is a religion, but its adherents sure can be dogmatic. It's a belief system, or prescriptive system, and is not science. It says that the economy will work best if we do a,b, and c and I think that the evidence now says neoliberalism is not a fully resolved system.
Normally neoliberalism is defined as promoting free trade, open immigration, largest private sector possible, austerity, deregulation, flat taxes and minimising influence of trade unions. Neoliberals believe inequality doesn't matter. But definitions differ and that is half the problem.
The real world evidence suggests free trade (which I like) optimises outputs globally but is very harsh on blue collar workers in western countries, something the neoliberals did not forsee. So much for the theory. But you can mitigate all this with some income redistribution.
Completely open immigration is nuts. There have to be some limitations.
Inequality does matter and even the neoliberal IMF now admits this.
The evidence suggests financial deregulation hasn't worked very well. Liberal economists do not actually oppose environmental, health and safety regulations. It's polticians who falsely promote this as "good economics". Liberal economics does not mean go to the extreme and deregulate everything, it just means avoid arbitrary regulations and those that protect special interests.
The evidence suggests privatisation works well for manufacturing but is problematic for key resources like healthcare and the water supply.
I could go on. You get the picture. So how do we rate neoliberalism? Maybe 5 / 10?
We should get sustainable development goals front and centre of any economic ideology.
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AFT17170 at 07:38 AM on 31 December 2018Models are unreliable
As I've stated in other posts, I am a non-scientist layman. I've gone through thousands of comments on this site and several articles on RealClimate. I just got done reading the article and comments over there on "30 years after Hansen’s testimony" here
Based on everything I've read so far, this is what I've internalized (please correct me as needed) — all climate models are obviously dependent upon the assumed inputs of both man-driven forcings and natural forcings, which the models use in physics-based simulations of the resulting outputs. Such models do not pretend to have intradecadal accuracy, rather the target is skill in projecting 30 year trends. Hansen was obviously required to guess those forcings, which he incorporated into 3 different scenarios. His man-driven forcings included not only CO2, but also N2O, CH4 and CFC. His CO2 forcings, in retrospect, were "pretty close" for Scenario B but he overshot on the others because humans actually tackled those other emissions. Gavin at RealClimate took a stab at adjusting Hansen's Scenario B and concluded that the adjusted results indicated a quite skillful model.
So my (perhaps dumb) question is — why not re-run the actual models with the actual man-made forcings that happened in those 3 decades, to see exactly how close the projections got for Scenario B? It seems like they might be "pretty darn close" and bolster the cause?
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Dan Joppich at 07:20 AM on 31 December 2018Climate Carbon Bookkeeping
Hard to believe that in all that I missed an obvious question -
4. If you superimposed a graph of global temperature data over the same period on top of this CO2 data, why don't they track? And related, does this graph prove that CO2 and global average temperatures are not related?
Moderator Response:[JH] Global temperature and CO2 do indeed correlate...
Source: Greenhouse Gas Concentrations, Climate Central, Nov 20, 2018
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One Planet Only Forever at 07:15 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
My comment @35 is a little unfair to NeoLiberalism.
NeoLiberalism could help develop sustainable improvements for humanity:
- if absolutely everyone is dedicated to honestly improving their awareness and understanding and applying that learning to altruistically help sustainably improve the future for all of humanity.
- if everyone is willing to quickly correct incorrect harmful developments no matter how popular or profitable they may have become.
But of course everyone being unswervingly Altruistic is a Fantasyland - which makes the dream of Good Results being developed by NeoLiberalism a Fantasy.
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Dan Joppich at 07:11 AM on 31 December 2018Climate Carbon Bookkeeping
I'm not a scientist but I am an accountant and I look at and prepare a lot of graphs. My focus is not so much on the article as a whole (because it's way over my head) but on the graph included that is based on ice core samples. So, as I tell my college age children, always think of three questions the author or journalist didn't ask. Here are mine:
1. The graph is virtually flat for much of the thousand years. It seems to me that there had to be a few naturally occuring events that would create even a small blip (i.e. a major volcanic event even under the oceans or maybe unusually massive fires in Indonesia). Why don't we see a spike somewhere? I'm sorry it's just too conveniently flat.
2. I would like to think that the authors of the graph compared graphs from core samples in multiple locations around the globe and found that they all showed the same results. How many locations are necessary to confirm the results and how many did they use from what sources? If the answer is that there was only one, I would think that scientific skepticism would say that it's a pretty graph but not good science the same way that my auditor skepticism would not accept such a result as adequate proof.
3. In geological time this graph represents a blink of the eye. The core samples had to provide samples that go back many thousands of years. What would the graph show if it went back 5,000 years? 10,000 years?
Again, I'm not a scientist, but has anybody come up with an alternate explantion for the jump over the last couple centuries. After all, from 1800 to 1900 there were very few people on the earth to the point that no matter how many fires they made or, later in the 1800's, trains that spewed carbon and soot. Certainly not enough to explain the early rise. And even where that occurred it was localized (New York, London, etc.) and would not have caused Antarctic changes on this level, in my opinion.
Maybe the graph flatlines for extended periods for some other reason. I'll leave the answer to smarter people than me but this site is called "Skeptical Science", not "I got the answer I was looking for so I can move on Science". I'm not saying that there isn't more CO2 now, I'm just looking at the flat line and wondering why?
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ancient_nerd at 07:08 AM on 31 December 2018Volcanoes emit more CO2 than humans
michael sweet@290
The time scale on this chart seems to run backward from what we would expect intuitively. The left edge is the present, the right edge is 800k years ago. So, that large step around 625 or so is an increase in CO2 levels and temperature right about the time of the eruption.
As David pointed out earlier in post 287, there is no ash layer to provide accurate correlation since these cores come from antarctica in the southern hemisphere and the eruption was in the northern hemisphere. So we do not really know the exact timing.
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One Planet Only Forever at 07:04 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
A further follow-on to my comment @31 about Flat-Earthers.
I have yet to encounter a Flat-Earther. But I expect a Flat-Earther to be far more likely to understand and accept climate science and the required corrections of developed human activity that it has exposed than a NeoLiberal.
NeoLiberalism is a far more harmful Religiously believed made-up human faith system.
And NeoLiberals Uniting with Religious Law adherents (the United Right likes of the GOP and similar groups in other nations), are potentially the most serious threat to the future of humanity that humanity has ever developed (even a more serious threat than nuclear weapons).
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Jonbo69 at 06:53 AM on 31 December 2018Explainer: Why some US Democrats want a ‘Green New Deal’ to tackle climate change
"Some Democrats want to focus more on searching for bipartisan solutions that can be passed by the current Congress, rather than gambling on a hypothetical future Democratic takeover of both congress and the presidency."
Exactly how would that work when the other side doesn't accept there is a problem that requires a solution? To me this is just the corporate democrats beholden to their donors in the fossil fuel industry trying to delay and avoid real action - making them just as culpable as the GOP.
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Evan at 05:58 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
I like the discussions here (including those about religion), because everybody here is trying to discern the truth, and not just hold on to a self-interested view point. It is an honest discussion from honest truth seekers.
Moderator Response:[PS] However, at this point the discussion is very far from the topic of this article. Interesting as discussions of religion are, this is not the forum for them. Commentary and particularly studies on religion with respect to climate denialism could be discussed on an appropriate topic - not this one.
If you want a more appropriate forum, this search seems to offer plenty of alternatives. No more here please.
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nigelj at 05:35 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
Sunspot @32, I have to be honest I do identify pretty closely with your views there. For me there is a singular lack of evidence for some form of religious creation, and the stories events, and miracles in the bible and there are many contradictions, and I cannot seem to get passed that, although I hear what Evan is saying.
I'm reduced to believing that if god exists such an entity takes an imaginable form of a power, not a creator as such, and our only hope of understanding such a thing would be science itself.
However there is evidence of a god gene that programmes us to at least believe in a god (doesn't mean god exists). Religion was a unifying influence in the past I think by placing faith in a higher power. For me we should be taking the best ethical teachings of religions of all types and distilling them into something really good and logical.
Discussion above is good because its non aggressive. I think its also important to remain open minded, and I cannot be 100% sure of my own beliefs, but I'm ok with them at this stage.
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WayneK at 05:07 AM on 31 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
MA Rodger@30,
1) I've seen that page before when I was trying to figure out how to link to pages inside my own PDF's. Couldn't get it to work. In any case, you have to have an online PDF to link to, which we don't have (as far as I know).
2) Your link doesn't take you to a page online. It's a download link for the whole Introduction.
I'm still working on this and will post again if I find something helpful. I've found one report displayed online in .php, which is a start, but still there's no way to link to a particular page.
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nigelj at 04:56 AM on 31 December 2018Greta Thunberg's TEDx talk
The climate problem is a classic tragedy of the commons problem, just on a grand scale. Lets not complicate it beyond this. Everything OPOF says is true but is a subset of the essential problem.
Such problems happen in freemarket economies and even centrally planned economies. Markets are very clumsy and slow at fixing such problems if they fix them at all, so solutions have to be imposed on market participants by participants agreeing on an appropriate solution. You can call this tweaking the market if you want.
Solutions can involve court actions (costly and only the lawyers really win), government regulations, cap and trade schemes, taxes, or government infrastructure projects. All these leave markets free to make decisions so free markets are preserved, with the exception of government infrastructure projects are more of an imposition.
The difficulty with the climate problem has clearly been identifying the best solution. The next difficulty is people who dont believe in any solution, other than court action (and even that only reluctantly).
Nick palmers idea sounds ok. Cap and trade and carbon taxes hit manufacturers with dirty products dont they? The problem is mostly political, how to convince libertarians and conservatives to get on board. The $64,000 question.
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Sunspot at 04:40 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
Interesting discussion. But, for me, religion is totally devoid of evidence. I understand that many people have had personal experiences that lead them to religious beliefs, but are any of these experiences objectively verifiable? I think about the commonality of near-death experiences, but is this something more than a dying brain trying to make sense of the situation? I need a scientific examination of religion, but I don't think such a thing is possible. Beliefs are simply not available for objective examination. I guess this means to some that belief is just somehow special, but to my way of thinking it simply makes belief irrelevant.
Maybe the world would be a better place if we all agreed on the same set of religious beliefs. But what I see is that differing religious beliefs just establish a chasm between people that can seldom be breached, there are no objective facts to agree on. And now we are faced with seemingly intelligent people who somehow dismiss science altogether, which is of course ridiculous unless you live in a cave. What I see is people replacing evidence with belief. It simply doesn't work. Science is what built our civilization. Dismissing science can destroy it.
If we had a few worlds to experiment with, I'd like to try one without any form of religion, or "spirituality", at all. Just the facts. People working together to make life better for us all. Not just for those who agree with a particular view of some invisible man in the sky who watches everything we do (Carlin).
I absolutely agree that there should be freedon of religion. Believe whatever you want. But I want freedom FROM religion. Because that is true freedom, to choose to believe or not. Religion is getting too involved in how we run our society, and there are too many who would force their views on others. I do take "The Handmaid's Tale" seriously.
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One Planet Only Forever at 03:02 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
A fun follow-on about Flat-Earthers. A Flat-Earher may actually be very supportive of correcting the harmful developed burning of fossil fuels. The shape of the planet does not affect the understanding of the link between the massive burning of fossil fuels and harmful climate change impacts.
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Evan at 02:55 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
OPOF, I think there is more common ground in our views than different.
"An Inconvenient Truth" is a brilliant title for the following reason. If AGW is not occurring, then the people being afflicted by AGW are being afflicted by an act of god over which we have no control, and all that we are required to do is to pray for them and to send some money to help. If, however, people accept AGW as originating from our lifestyle, then instead of just praying for these afflicted people (an activity that can co-exist with an otherwise wasteful western existence), we have the inconvenient reality that we need to change our lifestyle. I think this is at the heart of the Christian resistance to accepting AGW, as much as it is about not wanting to be under a set of UN-mandated policies (whether or not it would come to that).
By the way, for those reading, I am not selling myself as a theologian nor as a philosopher. But this dialogue does help me understand how others view the problem and helps develop talking points. I don't mean to be argumentative, and I do appreciate all of the great comments.
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One Planet Only Forever at 02:38 AM on 31 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
Evan @27 and 28,
You appear to be unnecessarily conflating Religion with Spirituality. I separate the two for very Good Helpful Altruistic Reason. I have presented some of them in my earlier comments.
People can be harmfully Religious about things that have nothing to do with Spirituality. And people can be Helpfully Religious related to Spirituality.
People can also abuse the potential human desire to be part of a Tribe and become harmful Religious followers of a set of unjustified beliefs.
The real focus needs to be understanding that the most important actions for anyone are to help by improving awareness and understanding and applying that improved correct learning to actually sustainably develop a better future for humanity, achieve and improve the Sustainabel Development Goals, especially the Climate Action Goal.
That focus identifies the harmful people in politics, businesses, and religions. It also divides/polarizes the actions of people in politics, business and religion into helpful and harmful people.
That division/polarization is important. It is critical to improve the awareness and understanding of who needs to be corrected. And it helps understand that the socioeconomic-political system that people develop their beliefs in may be what needs to be corrected to reduce the number of harmful people that get developed.
And the major motivation I see for resistance to accepting climate science is a powerful self-interest to keep undeserved developed perceptions of prosperity and superiority relative to others. Easily amplified by misleading marketing, that drives resistance to global efforts to achieve the Sustainable Development Goals.
System corrections are undeniably required. The systems have continued to develop inequities leaving many people destitute and starving even though the total perceived wealth of humanity has grown far faster than the total population.
Those Religiously defended systems need to be significantly corrected regardless of their power and regional tribal popularity and profitability. And the most harmful people (in politics, business and religions) need to be the focus for most urgent correction.
Raising awareness that way, identifying the harmful who need correction, should reduce the popular support for the most harmful people.
p.s. Another way to say it is that any beliefs that are not harmful to efforts to achieve and improve on the SDGs are benign or helpful and do not require a focus on correction. As an example, Flat-earthers can be left alone if they do not want to use that belief to excuse a harmful action. And they can be helpful even if they maintain that now understood to be incorrect belief.
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michael sweet at 00:28 AM on 31 December 2018Volcanoes emit more CO2 than humans
MARodger,
You cite an interesting paper. It appears to me that volcanic dust and gas caused a winter effect. This is known from recent eruptions. Apparently the effect was longer than might be expected from a volcano.
In any case, the cooling effect is not caused by CO2 release. I think Ancient Nerd was asking if the volcano could have contributed to an increase in global temperatures from release of CO2. It appears to me that an increase in temperature from the CO2 did not occur. The amount of CO2 released was not measurable in the ice record. This demonstrates that release of CO2 from volcanoes, even extraordinarily large ones, does not affect climate.
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MA Rodger at 00:19 AM on 31 December 2018Volcanoes emit more CO2 than humans
michael sweet @290,
I see there was a paper presented a couple of years ago attributing the Yellowstone events of 630ky bp with dropping SSTs by 3ºCa couple of times for "at least ~80 yrs" which is longer than expected for a volcanic event (they speculate that feedbacks lengthened it) but it is not very long on a graph of 800ky of climate (about a tenth the width of a pixel in your diagrm).
There is media reports of the paper on-line but they don't say much more than the paper's abstract. The full text is available but on request.
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michael sweet at 00:17 AM on 31 December 2018Sea level rise due to floating ice?
I realized that the figure I copied does not make much sense without the caption. Here it is:
Fig. 1. Sea-level change in response to the collapse of the
WAIS computed by using (A) a standard sea-level theory (5),
which assumes a nonrotating Earth, no marine-based ice, and
shorelines that remain fixed to the present-day geometry with
time, as well as (B) a prediction based on a theory (6) that
overcomes these limitations. Both predictions are normalized by
the EEV associated with the ice collapse. In (B), the total volume
of the WAIS is used in the calculation, whereas in (A) only an
amount of ice with a volume that matches the EEV is removed
(because the latter cannot take into account the inundation of
marine-based sectors). (C) The difference between predictions
generated by using the two sea-level theories [(B) minus (A)].B is the part of the figure that relates to this discussion. source
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michael sweet at 23:55 PM on 30 December 2018Volcanoes emit more CO2 than humans
Ancient Nerd: Sorry I mispelled your handle.
The source of the graph was Beretier et al linked by David Kirtley above.
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michael sweet at 23:48 PM on 30 December 2018Sea level rise due to floating ice?
Savantking,
Please provide a reference for your claim that US sea level will not increase from ice sheet melt.
Antarctic melt causes increased sea level rise in the US:
This NASA article on sea level rise describes Greenland ice melt raising US sea level. It appears that the US rise will be about average for the world. Northern Europe will get a little less from Greenland, perhaps that is what you meant.
Both areas will get more than average from the Antarctic. I do not think that any area where people live except Greenland itself will see sea level decrease although Iceland might.
Certainly the claim that the US will luck out is deliberately false. I suggest you screen your sources better. Denier sites spread false information.
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Evan at 23:38 PM on 30 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
One additional comment for the die-hards still reading. Christians get beat up pretty bad for their blind faith and rejection of science. In my opinion much of this is deserved, for many Christians do show a blind allegiance to dogma. But let's not forget that this site spends a lot of its effort debunking myths put forward by ... scientists. So the ability to reject what Climate Scientists are saying is shared by Christians, athesists, agnostics, and just plain scientists.
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michael sweet at 23:20 PM on 30 December 2018Volcanoes emit more CO2 than humans
Ancient Nrd,
I don't see a change in CO2 at 630 kyr.
It appears to me to be the start of a glacial period.
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Evan at 22:35 PM on 30 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
OPOF@23, understanding does not destroy religion. For me it strengthens it.
I understand your perspective, I think, but I offer the following twist. If we understood scientifically all that we see, this would not remove my faith, awe, and wonder at the creator anymore than it would if I understood everything about a smart phone. I feel that part of the problem with many people is that they have no understanding or awe of the scientific advancement that the smart phone represents. When I look at a smart phone I have respect for the creator, just as when I look at everything around us it inspires awe and admiration at the creator of the natural world. No amount of scientific explanation of the what I see around me will ever remove that awe and admiration, anymore than any amount of scientific understanding will remove the awe and admiration behind the creation of the science and technology in a smart phone.
But for some reason, as soon as someone can assign a scientific explanation to something we previously did not understand they then conclude that that understanding proves it was not created. I don't get this link. I am not defending creationists who insist the world was created in xxxx thousand years. Just saying that scientific understanding does not invalidate the concept of creation.
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Evan at 22:12 PM on 30 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
Sunspot, there is a way to talk to God, but it is different than the methods used in science. At least respect that people like myself, Katharine Hayhoe, John Cook, and so many other Christians are not just chasing fantasy. Nor am I trying to "convert" you. I just ask that we find common ground. I believe as you do that one of the major problems preventing significant action on climate change is the impenetrable beliefs of many Christians and other religious people, who will not consider objective facts. But that does not invalidate the experiences many religious people have had.
I find it interesting that there are scientific people who cannot understand true religion (everything must be objective), just as I find it interesting that there are religious people who cannot understand science (everything is based on belief).
I don't think we'll solve the problem in front of us unless we can find common dialogue and understanding between religion and science.
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Sunspot at 21:19 PM on 30 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
My bottom line just occurred to me: I came to the same conclusions Carl Sagan did when he wrote "Demon-Haunted World", so when I read it I was nodding my head so much I need a pillow. Not surprisingly, Carl got it right. So while I should maybe investigate these people who have supposedly integrated science and religion - I doubt there will be anything there that will satisfy me. No evidence. Not without having to "believe" in it. And I simply don't do belief.
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Nick Palmer at 21:11 PM on 30 December 2018Greta Thunberg's TEDx talk
And, of course, shareholders would put immense pressure on the management to clean up their act so they could get better returns.
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Nick Palmer at 21:10 PM on 30 December 2018Greta Thunberg's TEDx talk
OPOF
I don't think the problem is as intractable as everyone thinks. 'Tweaking' the bottom line of a company, which uses materials wastefully, discharges pollution to the environment and sources non-clean/renewable energy sources, so that its costs are higher than a responsible manufacturer, is not that hard and the products of the 'dirty' manufacturer would end up either being more expensive to buy or the manufacturer and their shareholders would make less profit. The use of peoples' tendency to want a 'bargain' would send a tsunami of change through the free market. -
Sunspot at 21:06 PM on 30 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
"If you want to know if god exists, go talk to him".
I'm sorry, but all I hear is my own thoughts. Because that's all there is. That's what I mean by the difference between fantasy and reality. Feel free to choose your own reality. I stay with objective evidence. That is what truly changes the world. Once you are capable of believing in god, you are capable of believing anything. Powerful people and governments understand this all too well.
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savantKing at 19:34 PM on 30 December 2018Sea level rise due to floating ice?
Oh my god. You can't say in absolute sentence that the sea level arises everywhere on earth because of melting ice! Once and for all: it depends where on earth you are.
A second thing is that ice will attract to water. So at the east coast of America there the sea level will decrease, because of the melting ice. Why? Because of the mass of ice will be significantly less because of the melting ice. so it attract less water!
Happy science
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MA Rodger at 18:17 PM on 30 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
WayneK@27,
This page gives good advice on linking to a specific PDF page. Thus this link should take you to the final page of IPCC AR5 WG1 Chapter 1 'Introduction'.
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WayneK at 14:15 PM on 30 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
Thanks. That'll save me more futile effort. It just seems odd, first, that the IPCC wouldn't provide it as a way to better get the word out, and second, that failing in that, someone else hasn't been able to create a website for this specific purpose. Maybe there are copyright issues in doing the latter.
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scaddenp at 13:36 PM on 30 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
Sorry Wayne, we share your pain. I haven't found a solution.
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One Planet Only Forever at 13:34 PM on 30 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
Evan @22,
Another way to look at it is:
Spirituality is fine for any aspect of our existence that cannot be observed, tested or investigated. Being Spritual is valid in the realm of the unkowns (where any and all beliefs or faiths are equally valid). ANd thta realm will constantly be reduced by improving science.
Science is restricted to things that can be observed, tested or investigated. Being Scientific requiresacceptance of imrpoved awareness and understanding (something that some scientists struggle with when their prefered scientific understanding is challenged by an improved understanding)
Religion is a special case. It becomes irrational when the spiritual part is considered to be superior to other spiritual beliefs, or when it is cojoined with laws for human behaviour and the developed tribal group resists being corrected by improving awareness and understanding.
Neoliberalism (and to a degree, free market economics) is very much like a Religion. The harmful results of people freer to believe what they prefer as excuses for harmful selfish pursuits of benefit are not acknowledged by the faithful followers of the likes of Milton Freedman. Neoliberals are more fanatically opposed to the climate science identified corrections of developed human economic activity than the spiritually religious people generally are (religious people politically aligned with neoliberals, the United Right GOP types, are being neoliberals, not Religious, in that regard).
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ancient_nerd at 11:49 AM on 30 December 2018Volcanoes emit more CO2 than humans
According to a wikipedia article, the eruption I was thinking about was at 630ky Yellowstone_Caldera. The chart in David's link shows what looks like the end of a glacial period right about then.
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WayneK at 11:16 AM on 30 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
OK, does anyone know of a way to directly link to a particular page in an IPCC report? It'd be useful when presenting an argument if you could provide a direct link to evidence. Right now, I've been linking to the IPCC report page, then describing which chapter to download and which page to go to. That's less than ideal. Previous reports were online but you couldn't link to a page, and now it appears that the reports are download only. I've tried everything I could think of with no luck.
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One Planet Only Forever at 10:58 AM on 30 December 2018Greta Thunberg's TEDx talk
Nick Palmer @12,
I agree that tweaking (correcting) the developed free market is required (like Herman Daly's suggestions, or Paul Hawken's in "The Ecology of Commerce", or the many others who have written about how incorrect the developed free market is - including Naomi Klein). But they will not be small tweaks. And more than a 'corrected free-market' will be required to sustainably solve the problems that need to be solved.
What is required is achieving and improving on the Sustainable Development Goals (all of them - particularly the Climate Action Goal because more aggressively achieving it makes it easier to achieve many other SDGs).
A corrected free market that did not reward unsustainable harmful activity (preferably did not even allow that type of activity to compete for popularity and profitability) would be a significant part of the solution.
But free market corrections alone are unlikely to achieve the required Climate Action corrections. The problem is that other unsustainable and harmful actions could develop to replace the targeted unsustainable and harmful activities. And reduced energy consumption is an important part of the solution. And encouraging people to stop using artificial energy in their recreational activity is unlikely to happen 'as a result of a corrected free market'.
A major issue is that the understanding of unacceptability of an activity often only occurs after it has developed to a degree that makes its harm undeniable. The activity is then more difficult to correct because of developed wealth, popularity and profitability. A damaging result would be 'for-profit' free-market global scale geoengineering actions. Global scale geoengineering should not be thought of as a Solution since learning about the unacceptability 'after-the-fact' could be more globally tragic than the resistance to accepting that burning fossil fuels was unacceptable (the unacceptability was first flagged in the 1800s). And a for-profit motivation related to geoengineering would make it worse than if it was being done Publicly for Good Intentions.
Many other actions/corrections would help alter the way that people are encouraged to develop in the socioeconomic-political systems (to reduce the number of people who are encouraged to develop narrow self-interested world-views). One of those corrections would be effective penalties for incorrect, or harmfully incomplete, marketing statements (claims that impede the achievement of the SDGs), particularly in politics, but also in Religions.
Correcting those who have developed a preference for being harmfully incorrect is the real challenge. Correcting the socioeconomic-political systems to reduce how many people develop the desires to benefit from be harmfully incorrect is also required. Tweaking the free market will help. But it will not develop all of those required corrections.
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One Planet Only Forever at 10:07 AM on 30 December 2018Greta Thunberg's TEDx talk
william @7,
Another way of expressing my concern about political influence is to say that money influence is not the real problem. The real problem is the influence of people who are interested in self-enrichment in ways that can be understood to be contrary to achieving and improving on the Sustainable Development Goals.
A related concern is that efforts to restrict political influence could be abused (Good helpful people could be punished unjustifiably). Or the rules for restricting influence could have loopholes written in because of incorrect influence (Bad people getting influence on how the 'approved final law' is written). Or the attempts to limit influence fail because an elected official could do favours for undeserving people if they believe they may benefit after they are done in elected-office (like the way that junior executives from trading firms get 'loaned to do some public-service work at the SEC' and 'may' act in ways that benefit the trading firms).
So the problem is the socioeconomic-political systems that encourage people to develop desires for self-enrichment in ways that are contrary to achieving the Sustainable Development Goals.
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scaddenp at 09:59 AM on 30 December 2018Volcanoes emit more CO2 than humans
I think the big eruption at Yellowstone was 2.2my ago. Calculations in Gerlach 2010 would have that comparable to a year of human emissions.
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Jonas at 09:28 AM on 30 December 20182018 SkS Weekly Climate Change & Global Warming News Roundup #52
"Discovery of recent Antarctic ice sheet collapse raises fears of a new global flood" points to sks itself. Probably meant link:
Moderator Response:[JH] The correct link has been inserted into the OP. Thanks for bringing this glitch to our attention.
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David Kirtley at 07:11 AM on 30 December 2018Volcanoes emit more CO2 than humans
@ancient_nerd, There are ice core records from Antarctica which go back that far. See Luthi et al (2008) and Bereiter et al (2015). If you look at their figures you'll see that at around 670,000 years ago the CO2 levels were quite low, below 180 ppm.
Volcanic activity does often show up in ice cores, not as elevated CO2 levels, but as ash layers, and other geochemical effects. These ash layers are often used to synchronize the cores which come from different locations.
For Yellowstone activity that would most likely stay in the northern hemisphere, so that would show up in the Greenland ice cores. Unfortunately, the deepest (oldest) cores only go back to about 150,000 years ago. So your 670,000 year event wouldn't show up.
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WayneK at 06:53 AM on 30 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
I have a question about linking to IPCC reports but don't know where to put it to be on topic. Could someone advise?
Moderator Response:[PS] Just make your comment here and someone will advise.
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Evan at 06:50 AM on 30 December 2018Global warming ‘hiatus’ is the climate change myth that refuses to die
Religion is based on belief. Science is based on evidence. I don't think we should try to reconcile the two using either the discipline of belief or the discipline of evidence applied to both.
If you want to know if God exists, go talk to him. The response received from such an inquiry is the basis of belief and is not easily put into words nor easily proven. For me that is the essence of belief.
Science, on the other hand, is much easier to quanity and demonstrate to others through experimentation and logical discourse, such as by using this great forum.
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nigelj at 06:06 AM on 30 December 2018Greta Thunberg's TEDx talk
Nick Palmer @12, I agree totally. Neoliberalism on wikipedia is worth a read. There are no policies there I fundamentally disagree with in the most general terms. For example free trade is good, immigration is good, nobody wants over regulation, the government doesn't need to own everything, but the trouble is neoliberalism has been high jacked and pushed to a really damaging extreme.
Governments do have a role regulating environmental matters, and most "liberal economists" agree. Deregulation was intended to apply more to labour markets and occupational licencing.
The trouble is various business interests would prefer the free market not be tweaked, at least not in ways that upset them. They are of course utterly inconsistent in their various philosophies but they influence governments, and in some cases virtually own governments.
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nigelj at 05:48 AM on 30 December 20182018 SkS Weekly Climate Change & Global Warming Digest #51
MAR @24 thank's for the information. Yes emissions stopped 2014 - 2017. I meant to say atmospheric "CO2 levels" have shown an acceleration in recent decades, - at first glance.
But it looks like you might be onto something and have found some decrease in the rate of acceleration. I love graphs because a picture paints 1000 words. Sorry my university math is too rusty and forgotten to add anything on the technical details, but I'm just really interested and trying to figure out where you and Mike are coming from, I think maybe his grasp of it is a bit off somewhere but he means well.
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