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Any attempts to engineer the climate are likely to result in "different" climate change, rather than its elimination, new results suggest. Prof Ken Caldeira, of Stanford University, presented research at a major conference on the climate risks and impacts of geoengineering. These techniques have been hailed by some as a quick fix for climate change.
But the impacts of geoengineering on oceans, the water cycle and land environments are hotly debated. They have been discussed at a meeting this week of 12,000 scientists in Vienna. Researchers are familiar with the global cooling effects of volcanic eruptions, seen both historically and even back into the deep past of the rock record. With this in mind, some here at the European Geosciences Union General Assembly ( http://www.egu2015.eu ) have been discussing the possible worldwide consequences of pumping sulphate aerosols into the stratosphere to attempt to reflect sunlight back into space and cool the planet.
(Score: 5, Informative) by kadal on Saturday April 18 2015, @03:10PM
No, they're heeding the warnings of a lot of very smart people who have been studying the climate system for a long time.
From the IPCC AR5 synthesis report: https://www.ipcc.ch/pdf/assessment-report/ar5/syr/AR5_SYR_FINAL_SPM.pdf [www.ipcc.ch]
The whole report is worth going through. At least look at the figures! This is good science.
(Score: 1, Interesting) by Runaway1956 on Saturday April 18 2015, @04:03PM
"have been studying the climate system for a long time."
Define "a long time". These youngsters have been studying for five years? Or, some of the older people have been studying for twenty years? You call that a "long time"?
Glacial and interglacial periods are measured in periods of tens and hundreds of thousands of years. MANKIND'S HISTORY only extends back 5000 years or so. Recorded history doesn't even occupy half of one glacial/interglacial period. But - some kid who has been studying for five years claims that he has studied climate change for a long time? Uh-uh - that dog don't hunt. Maybe he has spent a significant part of his lifetime studying, but that ain't a "long time". Empires, kingdoms, and nations rise and fall in the blink of an eye on geological time scales.
Now - if someone were to go back into time, and plant some recording devices so that we could retrieve the data next year, THEN we might agree that we can study climate change. Plant those devices about ten million years in the past, and they will record a few hundred climate changes. Be sure to plant those devices in many different parts of the world - the Sahara, the Himalayas, the Med, Caribbean, Antarctica - scatter them widely.
FFS, today we have people arriving at conclusions based on data that doesn't even exist. They pretend that they can extrapolate data tens of thousands of years ago, based on a couple hundred years of recorded history!
Look at China's history. How many dynastic changes are recorded? Wonder how many of those dynastic changes can be correlated to climactic changes? The word I heard was, ALL OF THEM!!
The climate is not some static thingamabob that was set to a perfect level, and we've come along and screwed it up. Climate changes, quite naturally, with or without the approval of any of the life forms that inhabit this planet!!
(Score: 2) by kadal on Saturday April 18 2015, @04:39PM
Paleoclimatologists look at the rock record, pollen, fossils, ice cores etc. to get time series of proxies for things like temperature and the like. Here are some of the datasets they use: https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets [noaa.gov] . Yes, it's not perfect but it's not nothing either.
(Score: 2, Insightful) by Runaway1956 on Saturday April 18 2015, @05:25PM
I never claimed that the scientists have nothing. I'm stating that "climate change" has been politicized. I'm stating that a lot of people stand to profit on selling this concept of climate change. I state clearly that the UN promotes this climate change, which fits like a hand in a glove with their desire to redistribute the wealth of the industrialized nations.
I am simply not buying into the theory that mankind has changed the environment, to the extent claimed. Oh, yeah, we've CONTRIBUTED to something that we little understand. That is unquestionable.
Your earlier claim that we've accelerated warming, when the climate should have tilted back the other way. What about that? On what basis does anyone CLAIM to know when the interglacial period was "supposed" to reverse itself? I suppose that you are aware that states such as Wyoming were once rain forests? On the Eurasian land mass, I suppose that the rain forests probably extended all the way up to Krakow and Moscow.
On what basis do we conclude that the natural course of events wouldn't see those jungles returning to the same latitudes?
Now, before you hit me with continental drift and all that - the last glacial period was only a couple tens of thousands of years ago. It took MUCH longer than that for the North American land mass to drift where it is from the tropics.
Long story short: I don't doubt the data being studied. I doubt the ability of those studying the data to arrive at relevant conclusions.
Yeah, I believe that mankind may be a contributing factor to global warming and/or climate change. I do NOT believe that mankind is causing it. That massive fire that appears to rise in the east, and set in the west each day produces more energy on it's most passive day, than mankind has unleased in all of his history. That ball of fire is the primary regulatory agent in any climate change.
(Score: 5, Touché) by kadal on Saturday April 18 2015, @05:40PM
Long story short: I don't doubt the data being studied. I doubt the ability of those studying the data to arrive at relevant conclusions.
Maybe you should become a climate scientist, study the data and publish in a good peer-reviewed journal then.
That ball of fire is the primary regulatory agent in any climate change.
Try http://www.realclimate.org/index.php/archives/2006/03/solar-variability-statistics-vs-physics-2nd-round/#more-277 [realclimate.org] and many other posts on that site.
(Score: 3, Insightful) by aristarchus on Saturday April 18 2015, @10:26PM
I'm stating that "climate change" has been politicized.
You know, there is a solution to this. Stop politicizing it by being an anti-science denier! See? Easy peasy, lemon squeezy.
(Score: 2) by Runaway1956 on Sunday April 19 2015, @03:44AM
So, your solution is to just stand by, and watch the next Holy Roman Catholic Empire birth itself? You do realize that "climate change" is rapidly becoming a religion, which metes out punishments for those it considers to be heretics? It may take time, but you can expect the next Inquisitions to be driven by members of the Climate Change Church.
(Score: 2) by aristarchus on Sunday April 19 2015, @04:06AM
So, your solution is to just stand by
Oh, I beg your pardon, I thought you had identified a problem, and were asking for solutions. Instead it seems you are engaging in self-fulfilling prophecy, sort of like a sorcerer or heretic would do . . . . . OMG! "We found a witch! May we burn it?" [Monty Python and the Holy Grail, somewhat before Scene 24]
To repeat, the solution is to do science, and that means you must stop watching Fox News, reading the Drudge Report and the World Daily News, and listening to Republican congressmen and khallow. See? Already Anthropogenic Global Warming is de-politicized! The first step in solving a problem is to stop causing it. I am glad to have been able to be of assistance to you in this matter. Please feel free to call on me again if you have problems in the future. Oh, one more tip, sorcery does not work.
(Score: 2) by Runaway1956 on Sunday April 19 2015, @05:36AM
So, you're pretending that the issue isn't political on the OTHER side. Al Gore and his cronies have NOT made million or billions on their carbon credit scams, and other nations do not stand to benefit from the deinstrialization of the US and Europe. Got it. All the evil is coming from the heretics.
(Score: 0) by Anonymous Coward on Sunday April 19 2015, @07:25AM
For all intents and purposes you've just admitted to everything you accuse the "other side" of doing.
That's "fair and balanced" logic at work - the other guys are scum so we have to be scum in order to balance it out!
For guys like you its nothing more rational than tribalism.
(Score: 2) by aristarchus on Sunday April 19 2015, @07:35AM
Not pretending. So you can get it, all on your own! Yes, it is all coming from rightwing nutjobs taking their talking points from the rightwing press, and do you know why? Because they are not smart enough to figure it out on their own. They cannot be climate scientists because it involves math, and so they go back to third grade in the early 1960's, and deal with hypothetical innuendo, like just "suggesting" that AGW is not real. Well, what if it is? You see, politics is actually a good thing. It is not a brawl where whoever brings the most idiots to a fight wins. It is the rational, realistic, assessment of where we are, as whatever political entity we are, and based on that, a rational debate over what we should do. That is called "policy", which is related to the word "politics". which derives from the Greek "polis" which means city.
For you, or anyone as obtuse as you, to suggest that politics is a bad thing, and that it immediately implies ulterior motives, only shows that you have been hornswaggled by Murdock, the Kock brothers, the one percenters who actually do have a financial interest in nothing being done about climate change. But you see, that is not an argument that their objections to climate change are wrong. In fact, it has as much to do with the question as your suggestion that maybe climate change is not real. Many here have pointed out to you that this is a joke. Yeah, maybe. And Al Gore and the scientific community say not, based on data, observation, and, you know, predictive science? Of course it could be wrong! That is not the point at all.
I am detecting a powerful disturbance in the force. I am getting it from you, from other oil company shills or patsies, from Gamergate failed-to-launch males and science fiction writers that no one wants to read. The disturbance is the stupid. And the main problem with the stupid is, as stupid usually does, that it does not realize it is stupid. Thus they think they are being oppressed just for having a different opinion. But they are wrong, They are not just different, they are truly stupid. You have made some great progress by acknowledging the fact that all the politicalization of Anthropogenic Global Warming is coming from the right. Follow through. Do some research. Check your sources for conflicts of interests. Ask yourself why some one would want to go against all scientific opinion on a particular subject. Is it because they are a heretic, or is it because they are stupid, or because they have very basis financial interests in the status quo. Yes, all the evil is coming from the heretics. But I don't blame you. I just think you do not know any better. And I am embarrassed for you, that you let yourself be used in such a fashion. So just stop. Comment on things you actually know something about. You have made some great contributions to Soylent News. It would be a shame to destroy your reputation for Exxon. Think about it.
(Score: 1) by khallow on Saturday April 18 2015, @07:00PM
Paleoclimatologists look at the rock record, pollen, fossils, ice cores etc. to get time series of proxies for things like temperature and the like.
The Saudi Arabia graffiti in caves [soylentnews.org] story had a good label for this: "grey data". It's better than nothing, but don't mistaken it for reliable measurements.
Yes, it's not perfect but it's not nothing either.
It's "not perfect" means it's not good enough for global scale policy decisions. We can easily fix that by taking detailed measurements over the next few decades.
(Score: 0) by Anonymous Coward on Saturday April 18 2015, @09:59PM
> It's "not perfect" means it's not good enough for global scale policy decisions.
Like the unrestricted release of co2 through the daily burning of hundreds of millions of gallons of oil?
(Score: 1) by khallow on Saturday April 18 2015, @11:32PM
It's "not perfect" [...]
Like the unrestricted release of co2 through the daily burning of hundreds of millions of gallons of oil?
Are you going to make that argument? Because I'm not.
(Score: 0) by Anonymous Coward on Sunday April 19 2015, @07:19AM
Seems like you already did. You just didn't realize it.
That's what happens when you use superficial logic to rationalize a bias.
(Score: 1) by khallow on Sunday April 19 2015, @12:02PM
Seems like you already did. You just didn't realize it.
No, doesn't seem that way. I don't have anything to add, unless you want to approach this argument in another way.
(Score: 1) by khallow on Sunday April 19 2015, @12:12PM