We can fit everything we knew before today about Criegee biradicals inside the period at the end of this sentence, but from what we understand they are pretty amazing. At least, that’s the word from a team of researchers form the U. of Manchester, the U. of Bristol, and Sandia National Labs, who have just detected these invisible chemical intermediates for the first time. Apparently they can not only oxidize pollutants from combustion, cleaning up the atmosphere as they go, but they also contribute to cloud formation, helping to cool the planet.
Criegee biradicals were first hypothesized in the 1950s by German chemist Rudolf Criegee, but at that point in time it was impossible to detect them or measure them, so it was unknown whether or not they truly existed and, if so, how fast they reacted with other atoms. Finding and measuring them was made possible by a special device rigged up by Sandia researchers at Lawrence Berkeley National Labs’ Advanced Light Source, which allowed them to discern the formation and eliminate other similar molecules that contain the same atoms but in a different structure.
What they found in doing so, we’re told, is quite promising. Criegee biradicals react more rapidly than researchers previously thought they could with aforementioned pollutants like nitrogen dioxide and sulfur dioxide, leaving behind nitrate and sulfate that lead to aerosol formation and eventually cloud formation. Ultimately, Criegee biradicals could help cool the planet.Moreover, understanding them should lend atmospheric researchers some insight on the oxidizing capacity of the atmosphere as a whole as well as help lead to better understandings of climate and how pollution affects the air around us.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.


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Brace yourselves, the global warming arguments are coming..
again..
This is great news! Fire up the coal plants! It doesn't matter anymore! CHEAP COAL FOR ALLLLL!!!
ICE 9
Professor Dudley Shallcross, Professor in Atmospheric Chemistry at The University of Bristol, added: "A significant ingredient required for the production of these Criegee biradicals comes from chemicals released quite naturally by plants, so natural ecosystems could be playing a significant role in off-setting warming.'
Deforestation?
I'm confused, is this new particle an element/atom, a molecule, a compound or something different? Are there more of these things out there?
Does this mean our knowledge of basic chemistry is not as complete as we think?
Once the Polar Regions melt, and all the other frozen places, dumping the fresh water into the oceans, the world’s ocean currents will stop and we will have our deep freeze.
No special chemicals needed or human intervention.
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Science sees no further than what it can sense.
Religion sees beyond the senses.
SLNuke87 no, alternative energy research isn't just about stopping Global Warming, an issue that more people care about is the fact that the energy sources we use today are limited
The picture is of a garbage incinerator in Detroit, MI.
For those of you wondering, a criegee radical is something of the form CH2O2 according to the paper. Im assuming that both of the oxygens are singly bound to the central carbon and both have a single unpaired electron, thus making it a biradical. Below is the paper
Science 335, 204 (2012)
I have a perfect counter argument for the GW naysayers out there who will whine and say we shouldn't be putting those biradicals into our atmosphere because we don't know what the consequences will be. One of their main tenants is the supposition the we mere humans couldn't possibly affect the climate and when that is pointed out to them they should no longer be worried.
"Brace yourselves, the global warming arguments are coming..
again.."
no...
I think Republicans have finnaly come to their senses.
Does this deal with methane and carbon dioxide gas and clean it up? What if this speeds up the cooling to much and we go into an ice age?
Again I will repeat,
with to much fresh water dumping into the oceans from global warming, the natural currents of the oceans can stop flowing and the earth will go into an ICE AGE!
HELLO? Has anyone else heard of this too?
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Science sees no further than what it can sense.
Religion sees beyond the senses.
I think this is awesome. I don't think there are any negative consequences to this chemical. Go Ammons!
@ D13, try reading some actual science and not just regurgitate what you see on the news, the planet has been cooling for the last couple decades, there is no significant scientific data that shows we are having any effect on the warming and cooling trends this planet naturally goes through, sure I'm against polluting, and anything that can easily clean up pollutants is a good thing, but the planet does NOT need to cool... you'll probably start spouting off about melting glaciers in Greenland, lol, what the main stream media fails to mention is that those glaciers have been melting for the last 6ooo years, why is it we only hear about a few glaciers melting and are led to believe every glacier on the planet is melting? does anyone even have a clue how many glaciers there are on this planet? it's in the hundreds of thousands of glaciers and minor glaciers and yet all we here about are the few that are melting... i'm done ranting, but read some real science people and don't think you're informed just because you can repeat what some reporter tells you... the sea levels are not rising any more than they have been since millenia before the industrial revolution... Antarctica's ice shelf has actually thickened significantly in the last couple decades with the exception of the Ross ice shelf, which makes up a VERY small percentage of the ice on this planet. sure things like deforestation will affect the local climate of an area like the snow melting on Kilimanjaro due to the lack of forest at it's base supplying the updrafts with the moister they need for fresh snow, but that is by no means a sign of some pending GLOBAL catastrophe... read, research and think for yourselves, people, and stop buying into the Main stream media's propaganda!
@ender7718, you have to be the worst propaganda spreading denier i have run across for awhile, you must just be trolling because you aren't even keeping up with your own camps propaganda, i will set you straight for your next post, the current denier position is the warming is a natural cycle, the deniers claim this because they can no longer attack the science, negative cheers...@robot, some of the models show the extra fresh cold water flowing into the oceans could trigger the next ice age, others see an out of control warming planet, just means we should stop playing with fire before the warming is not reversible, of course the deniers use this as another attack on science, cheers
@ender7718 You say mainstream media is spreading global warming propaganda, but I think the exact opposite is the case.
I don't think main stream media is trying very hard at all to convince me of global warming. In fact they treat the issue like a joke, and make fun of anyone who seems to take it seriously. Did you realize nobody says "global warming" any more, now its "climate change".
Apparently we expect scientists to provide us with politically correct data these days or else we don't listen.
drfuck, i mean chuck, i don't deny global warming happens, history shows us it obviously does, what i deny is the implication that humans are the cause of it, and i also deny that anything we do will reverse or even slow it to any type of usable extent...and don't take this to mean i think it's ok to pollute, you know what? instead of arguing with brainwashed sheep i'll just go find you the actual scientific data, actual data that hasn't been spun or manipulated to make it look like this "climate change" has anything to do with humans...
Ender7718,
Please read this link and consider what happens when the environment has too much global warming; it in fact could trigger a global ice age and all the sheep of the world are putting a blinds eye too.
And I see you point as well that it may not be a human invention.
But, being prepared to a sudden change of the environment is how we prepare to a global change. When 1/2 or 3/4 of the globe becomes an ice ball and the population of earth is currently at runaway growth, this is a product for starvation and death.
Not a lot of food will be growing during an ice age or cooling, folks.
http://www.theatlantic.com/past/docs/issues/98jan/climate.htm
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Science sees no further than what it can sense.
Religion sees beyond the senses.
The World’s Climate Cycles
The World’s Climate is driven by our sun’s cycles of more or less energetic radiation. The Sunspots cycles of about 12 years matches Jupiter’s orbit. Our solar systems four gas giants wobble the sun off solar center by as much as a million miles and when the sun’s inertia is radically changed by the four planets it is driven into a more energetic state.
When the sun is more energetic, it emits more UV radiation (10%), more solar wind, less cosmic rays strike earth’s atmosphere and fewer cooling clouds are formed. When a recent coronal mass ejection struck earth, cosmic rays dropped dramatically in a Forbush decrease.
The Pacific stores this warming cycle and the Pacific Decadal oscillation (PDO) swings to Warm. When the Sun is less energetic, there are fewer sunspot, the inverse occurs and PDO swings to cool as it has. Expect the next 20 to 30 years of cooling.
Since the end of the last Ice Age10,500 years ago, 9,098 years have been warmer or much warmer than today. www.nationalreview.com/planet-gore/256079/only-9099-last-10500-years-warmer-2010-brian-bolduc
The Earth has been cooling for past 65 million years the earth is the coolest it has been including the variable Ice Ages.
Since 2007 the sea levels have dropped by 20 mm. www.real-science.com/sea-level-continues-historic-decline
Glaciers are growing. /www.iceagenow.com/Growing_Glaciers.htm
Overall, with sunspot activity continuing at low levels, expect a much cooler climate in years to come. CO2 is plant food and is at geologic near famine levels needed for plant growth. Nurseries pump in four times levels to promote plant growth. Cut CO2 as the current Durban guidelines dictate and plants will stop growing. The world should welcome a degree or two of warming, the earth would than match the Minoan warming when Humankind started to thrive.
Visionar,
C02 is plant food, yes. And as the world warms up for any reason what happens to methane? How does methane effect the atmosphere and future global warming? Which has a larger effect on the enviroment and global warming, C02 or methane? How abudant is methane and how much more will it become as the earth warms up?
http://www.npr.org/templates/story/story.php?storyId=122638800
http://library.thinkquest.org/J003411/causes.htm
http://www.ypte.org.uk/environmental/global-warming/11
http://www.hydrogen.co.uk/h2_now/journal/articles/3_Methane.htm
Just do an internet search and ask the question
" how does methane affect global warming? "
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See life in all its beautiful colors, and
from different perspectives too!
wsugaimd
Although I did not get a chance to research this article, I believe its got to do with the 550 million metric tons of plant isoprenes emitted each year by deciduous trees, especially the Oak Tree. These isoprenes will oxidize pollutants and settle them out of the atmosphere as epoxides(nature's superglue). This is what gives the US the "purple mountains" and haze even on clear days.
There is a delicate balance and if we release too much into the atmosphere, we may deal with other unintended consequences such as ozone depletion. Why don't we just plant more Oak trees?
wsugaimd
(R1)2C=0(+)-0(-)...creigee biradical
any organic chemists here?