Category Archives: Aerosols

Sunshade geoengineering people apparently have been in the midday sun too long

From the Carnegie Institution , not just aerosol injections, but effective aersol injections. Law of unintended consequences be damned. Improving effectiveness of solar geoengineering Washington, D.C.— Solar radiation management is a type of geoengineering that would manipulate the climate in … Continue reading

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Posted in Aerosols, Geoengineering | Tagged , , , , , | 41 Comments

New paper cuts recent anthropogenic warming trend in half

Tamino (aka Grant Foster) will have his knickers in a twist over this one. Guest post by Marcel Crok (from his blog De staat van het klimaat) An interesting new paper (behind paywall) has been accepted for publication in the Journal … Continue reading

Posted in Aerosols, Climate sensitivity, Volcanoes | Tagged , , | 109 Comments

Yet another fix needed for climate models – this time due to aerosols

There are so many updates and fixes needed to the climate models these days its almost like watching a car undergoing a perpetual repair process. When does the time come when the owners realize that maybe they should take advantage … Continue reading

Posted in Aerosols | Tagged , , , , , | 40 Comments

Another failure of climate models – carbon soot warming actually far less than models predict

From Boston College another failure of climate models to capture reality has been exposed by field empiricism. The map below from NASA’s Earth Observatory will likely have to be revised now that absorption has been demonstrated to be far less. … Continue reading

Posted in Aerosols, Carbon soot | Tagged , , , | 52 Comments

SLACing the soot

From the DOE/SLAC National Accelerator Laboratory X-ray vision exposes aerosol structures Laser probes microscopic components of air pollution Menlo Park, Calif. — Researchers at the U.S. Department of Energy’s (DOE) SLAC National Accelerator Laboratory have captured the most detailed images … Continue reading

Posted in Aerosols | Tagged , , , , , , , | 29 Comments

The EPA’s Unethical PM2.5 Air Pollution Experiments

By John Dale Dunn MD JD (via email) United States Environmental Protection Agency (EPA) Administrator Lisa Jackson testified before Congress in September of 2011 that small-particle (2.5 microns or less) air pollution is lethal. “Particulate matter causes premature death. It’s … Continue reading

Posted in Aerosols | Tagged , , , , , , , | 72 Comments

Shocker: The Hansen/GISS team paper that says: “we argue that rapid warming in recent decades has been driven mainly by non-CO2 greenhouse gases”

Note: This will be a top post for a day or two, new stories will appear below this one – please scroll down. ============================================================ No, this isn’t a joke, it isn’t a fake document, and it isn’t a misinterpretation. It … Continue reading

Posted in 350.org connect the dots, Aerosols, Al Gore, Alarmism, Carbon dioxide, Carbon soot, James Hansen, Methane, NASA GISS, Ozone | Tagged , , , , , , , , , , , | 274 Comments

Pollution enhanced thunderstorms warm the planet?

From the DOE/Pacific Northwest National Laboratory, a new paper in GRL saying something that doesn’t make much sense to me. As shown in the diagram above, thunderstorms transport heat from the lower troposphere upwards. The heat source at the base … Continue reading

Posted in Aerosols, Modeling, thunderstorms, Weather | Tagged , , , , , , , , | 85 Comments

Carbon soot may be driving the expansion of the tropics – not CO2

From the University of California – Riverside it seems that black carbon soot is driving tropical expansion. How could this be? I thought CO2 was all powerful, so powerful with the strength of 400,000 Hiroshima bombs each day that animals … Continue reading

Posted in Aerosols, Carbon soot | Tagged , , , , , , , , | 74 Comments

Tracking the ash from the ‘unpronounceable’ volcano

From the FECYT – Spanish Foundation for Science and Technology Scientists ‘read’ the ash from the Icelandic volcano 2 years after its eruption In May 2010, the ash cloud from the Icelandic volcano Eyjafjallajökull reached the Iberian Peninsula and brought … Continue reading

Posted in Aerosols, Vulcanism | Tagged , , , , , , , | 43 Comments

Drats! Down the warmhole the warming went

From the Harvard School of Engineering and Applied Sciences “Warming hole” delayed climate change over eastern United States April 26, 2012 50-year model suggests regional pollution obscured a global trend CONTACT: Caroline Perry, (617) 496-1351 Cambridge, Mass. – April 26, … Continue reading

Posted in Aerosols | Tagged , , , , , , , | 167 Comments

Trigger for Little Ice Age – a half century of volcanism?

Dr. Roger Pielke Sr. writes on his blog today: Every once in a while. a nugget of new research insight appears that adds to our understanding of the climate system, and its complexity. One article of this type has appeared. … Continue reading

Posted in Aerosols, Paleoclimatology, Vulcanism | Tagged , , | 99 Comments

Pat Michaels – on the death of credibility in the journal Nature

Atmospheric Aerosols and the Death of Nature Guest post by Dr. Patrick Michaels Big news last week was that new findings published in Nature magazine showed that human emissions of aerosols (primarily from fossil fuel use) have been largely responsible … Continue reading

Posted in Aerosols, AMO, Peer review | Tagged , , , , , , , | 171 Comments

Spencer’s posited 1-2% cloud cover variation found

In a nutshell, with a −1.6%per decade change in cloud cover during 1954–2005, it becomes a climate forcing. While China is not the world, it bears consideration. The Hockey Schtick reports: New paper finds significant, natural decrease in cloudiness over … Continue reading

Posted in Aerosols, Climate sensitivity, clouds, Cosmic rays | Tagged , , , , , , , | 90 Comments

Ramanathan and Almost-Black Carbon

Guest Post by Willis Eschenbach My thanks to Nick Stokes and Joel Shore. In the comments to my post on the effects of atmospheric black carbon, Extremely Black Carbon, they brought up and we discussed the results of Ramanathan et … Continue reading

Posted in Aerosols, Carbon soot | Tagged , , | 127 Comments

Dust deposition linked to glacier melt

From the University of Miami Rosenstiel School of Marine & Atmospheric Science and the Department of “The Albedo made me do it” comes further proof of what we have been saying before on WUWT about albedo effects of soot and … Continue reading

Posted in Aerosols, Glaciers | Tagged , , , , , , , | 29 Comments

Polar bears and sulfates

From the University of Washington  some apparent confusion about what sulfates look like. Injecting sulfate particles into stratosphere won’t fully offset climate change IMAGE:A polar bear walks along an expanse of open water at the edge of Hudson Bay near … Continue reading

Posted in Aerosols, Arctic | Tagged , , , , , , , | 94 Comments

The Ridiculousness Continues – Climate Complexity Compiled

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments on this thread and several others documented within, I’ve been compiling a summary of all potential climatic variables in order to build a conceptual … Continue reading

Posted in Aerosols, AMO, Antarctic, Arctic, Climate data, clouds, Cosmic rays, dust storms, Earth, Earthquakes, Energy, ENSO, feedbacks, geothermal energy, Gravity, hurricanes, Methane, Oceans, PDO, petroleum, Science, Sea ice, Snow, Solar, solar power, thorium power, tornadoes, wind power | Tagged , , , , , , , , , , | 266 Comments

The “cool” particle

Two press release on this this week, both below From the University of Manchester Researchers discover particle which could ‘cool the planet’ In a breakthrough paper published in Science, researchers from The University of Manchester, The University of Bristol and … Continue reading

Posted in Aerosols | Tagged , , , , , , , | 72 Comments

Study: Getting the S out of jet fuel may cool the climate

This study from Yale University  seems contradictory to what we know about aerosols. Generally more aerosols like SO2 cool the climate, but in this case they are saying “it’s offset by the cooling effect of nitrate that forms from nitrogen … Continue reading

Posted in Aerosols | Tagged , , , , , , , | 71 Comments

Linked: aerosol pollutants and rainfall patterns

From the University of Maryland Rising air pollution worsens drought, flooding, UMD-led study shows COLLEGE PARK, Md. – Increases in air pollution and other particulate matter in the atmosphere can strongly affect cloud development in ways that reduce precipitation in … Continue reading

Posted in Aerosols | Tagged , , , , , , | 72 Comments

Climate scientists and their excuses

Candid Comments From Climate Scientists By Dr. Roger Pielke Sr. There is  a news release by Paul Voosen on Greenwire titled Provoked scientists try to explain lag in global warming (Tuesday, October 25, 2011) There are some interesting quotes from climate scientists … Continue reading

Posted in Aerosols, Climate_change, Global warming | Tagged | 258 Comments

Dust up in climate modeling

From the Georgia Institute of Technology Research News Insoluble dust particles can form cloud droplets affecting global and regional climates Cloud formation New information on the role of insoluble dust particles in forming cloud droplets could improve the accuracy of … Continue reading

Posted in Aerosols, Modeling | Tagged , , | 42 Comments

The weekday -vs- weekend weather effect

Hailstorms and tornadoes are more common during the weekday due to human created aerosols. By Dr. Roger Pielke Sr. New Paper “Why Do Tornados And Hail Storms Rest On Weekends” By Rosenfeld and Bell 2011 There is a new paper which … Continue reading

Posted in Aerosols, modification, thunderstorms, tornadoes, Weather | Tagged , | 62 Comments

Pat Michaels on aerosols, China coal, and lack of recent warming

The Current Wisdom: The Lack of Recent Warming and the State of Peer Review by Patrick J. Michaels Boston University’s Robert Kaufmann and colleagues recently published a paper in the Proceedings of the National Academy of Sciences examining the causes … Continue reading

Posted in Aerosols | Tagged , , , | 57 Comments

Aerosol sat observations and climate models differ “by a factor of three to six”

From the University of Michigan something I think Dr. Roy Spencer will be interested in as it is yet another case where models and satellite observations differ significantly. See the figure S1 at the end of this article – Anthony … Continue reading

Posted in Aerosols | Tagged , , | 109 Comments

Prey and predator model of clouds

From the Weizmann Institute of Science – Eat, Prey, Rain Photo: Tamar Deutsch What do a herd of gazelles and a fluffy mass of clouds have in common? A mathematical formula that describes the population dynamics of such prey animals … Continue reading

Posted in Aerosols, clouds | Tagged , , , , | 29 Comments

New NASA paper contradicts Kaufmann et al saying it’s volcanoes, not China coal

It seems that there’s a paper (from JeanPaul Vernier at NASA) out that contradicts the findings of Kaufmann et al 2011, where they blame China’s increasing coal consumption for lack of warming in the past decade saying coal use is … Continue reading

Posted in Aerosols | Tagged , , , | 91 Comments

Pielke Sr. on Climate Science Myopia

By Dr. Roger Pielke Sr. There is an article Global warming lull down to China’s coal growth by Richard Black of the BBC which perpetuate an inappropriately narrow view of climate science. The article headlines with the text “The lull in … Continue reading

Posted in Aerosols, Carbon dioxide | Tagged , , , , | 75 Comments

New study suggests that the volcanic impact on climate may be significantly underestimated

Thick ash poured from Iceland’s Eyjafjallajökull Volcano when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite acquired this image on April 17, 2010. The ash in this image is at two different altitudes. A concentrated plume rises over … Continue reading

Posted in Aerosols, Vulcanism | Tagged , , | 51 Comments

Now it’s dust storms that are caused by “climate change”

When I first saw this photo in news stories today, my first thought was “how long before somebody idiotically links this to global warming aka climate change aka climate disruption” (take your pick)? The answer, not long. From The Atlantic … Continue reading

Posted in Aerosols, Alarmism, dust storms, Ridiculae, Weather | 105 Comments

Cleaner air may result in increased solar insolation and therefore warming.

This makes me wonder if the temperature dip in the 1970′s where everyone was worried about global cooling wasn’t partially driven by atmospheric aerosols. With the advent of pollution controls, certainly we have cleaner (and more optically transparent) skies since … Continue reading

Posted in Aerosols, Obvious science | Tagged , , | 116 Comments

Update on the CERN CLOUD experiment

WUWT reader Max_B tips us off to this article and video. According to Nigel Calder’s Blog, CERN’s CLOUD experiment (testing Svensmarks’s cosmic-ray theory) shows a large enhancement of aerosol production and the results are due for release in 2 or … Continue reading

Posted in Aerosols, Cosmic rays | Tagged , , , , | 128 Comments

NASA’S Glory Satellite Fails To Reach Orbit

NASA reports that Glory, a satellite to monitor aerosols failed to reach orbit, apparently from a fairing that didn’t release. See update below on the massive budget overruns for this failed project. NASA’s announcement: NASA’s Glory spacecraft launched aboard a … Continue reading

Posted in Aerosols, Space | Tagged , , , | 139 Comments

The Chinese peg the sulfur emissions worldwide

From PNNL: Worldwide sulfur emissions rose between 2000-2005, after decade of decline Shipping, China top emissions growth in new analysis of 150 years of emissions COLLEGE PARK, Md. – A new analysis of sulfur emissions appearing in the journal Atmospheric … Continue reading

Posted in Aerosols | Tagged , , | 49 Comments