Category Archives: Ozone

D’Aleo on ozone hole: “It is very likely to have been there forever”

Ozone holes in Antarctic and Arctic relate to cold rebounds from warming events By Joseph D’Aleo, The ozone hole above the Antarctic has reached its maximum extent for the year, revealing a gouge in the protective atmospheric layer that … Continue reading

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Posted in CFC's, Ozone | Tagged , , , | 109 Comments

Ozone layer discovered on Venus

From the European Space Agency: ESA finds that Venus has an ozone layer too ESA’s Venus Express spacecraft has discovered an ozone layer high in the atmosphere of Venus. Comparing its properties with those of the equivalent layers on Earth … Continue reading

Posted in Ozone, Space | Tagged , , | 40 Comments

Arctic cold yields “unprecedented Arctic ozone loss”

“What was different about this year was that the temperatures were low enough to generate ozone-depleting forms of chlorine for a much longer period of time.” And it is worth noting that the “unprecedented” only applies to the short satellite … Continue reading

Posted in Antarctic, Arctic, Ozone | Tagged , , | 169 Comments

Let the inhaler hoarding begin

First, let’s go back a month,  this from the Will Steger Foundation: On Tuesday [August 2nd 2011], State Senator Torres Ray said, “I’m delighted to participate in the air quality awareness event organized by the Sierra Club in Minneapolis. Air … Continue reading

Posted in CFC's, GLOC, Government idiocy, Ozone | Tagged , , , , , , , | 91 Comments

Fudging in greenhouse gas stats?

From EMPA Switzerland: Sketchy emission reports revealed by Empa measurements at Jungfraujoch Fluorinated hydrocarbons are potent greenhouse gases, emission of which must be reduced under the Kyoto Protocol. If you rely on the official reports of the participating countries, the … Continue reading

Posted in CFC's, measurement | 44 Comments

Ozone hole “…caused a great deal of the climate change that’s been observed”

Columbia engineering study links ozone hole to climate change all the way to the equator First time that ozone depletion is shown to impact the entire circulation of the southern hemisphere In a study to be published in the April … Continue reading

Posted in CFC's, Ozone | Tagged , , | 167 Comments

Arctic Ozone “Hole” in March

From the European Space Agency, a story of significant cold and wind patterns that have created an ozone “hole” in the Arctic where there normally isn’t one. The last time this happened was in 1997. It isn’t really a “hole” … Continue reading

Posted in Arctic, CFC's, Ozone | Tagged , , , | 64 Comments

New rate of stratospheric photolysis questions ozone hole

By Joseph D’Aleo, CCM, AMS Fellow   Dr. Will Happer of Princeton wrote “The Montreal Protocol to ban freons was the warm-up exercise for the IPCC.  Many current IPCC players gained fame then by stampeding the US Congress into supporting … Continue reading

Posted in CFC's, Ozone | Tagged , , , , , , | 171 Comments

Antarctic Ozone Hole smallest in five years

  From MSNBC: WELLINGTON, New Zealand — International efforts to phase out the use of chlorofluorocarbons and other ozone-depleting substances may be paying off, according to research revealed Friday by the National Institute of Water and Atmospheric Research in New Zealand. … Continue reading

Posted in CFC's, Ozone | Tagged , , | 115 Comments

Stubborn Antarctic Ozone Hole refuses to change

Maybe it is because the major catalyst isn’t CFC’s after all? See this story: Galactic Cosmic Rays May Be Responsible For The Antarctic Ozone Hole In the conclusions of the paper here (PDF) there is this: Thus, the above facts (1)–(5) … Continue reading

Posted in CFC's, Cosmic rays, Ozone | 114 Comments

Antarctic sea ice increase not linked to ozone hole

From the AGU Weekly Journal Highlights While sea ice extent has declined dramatically in the Arctic in recent years, it has increased slightly in the Antarctic. Some scientists have suggested that increased Antarctic sea ice extent can be explained by … Continue reading

Posted in Antarctic, CFC's, Ozone, Sea ice | 63 Comments

The biggest environmental scandal in history

A UN board could rein in $2.7 billion carbon market to prevent the double dipping of CFC manufacturing incentives and carbon credit sales, as discovered to be happening in China. Guest post by Ric Werme Excerpts from: reports UNITED … Continue reading

Posted in Carbon credits, CFC's, Ozone | 75 Comments

Clean air, a problem?

Here’s a headline I thought I’d never see. In the 60′s and 70′s we were bombarded with images like these: Now we hear that may be a good thing. Make up your minds! Though I think oceans have a good … Continue reading

Posted in Aerosols, Ozone, Satire | 171 Comments

Study shows CFCs, cosmic rays major culprits for global warming

From the University of Waterloo press release. WATERLOO, Ont. (Monday, Dec. 21, 2009) – Cosmic rays and chlorofluorocarbons (CFCs), both already implicated in depleting the Earth’s ozone layer, are also responsible for changes in the global climate, a University of … Continue reading

Posted in Cosmic rays, Ozone, Science | 269 Comments

Global ozone layer depletion leveling off – rising slightly

From the European Space Agency. By merging more than a decade of atmospheric data from European satellites, scientists have compiled a homogeneous long-term ozone record that allows them to monitor total ozone trends on a global scale – and the … Continue reading

Posted in Earth, measurement, Ozone | 60 Comments

The Left Hand Knows Not What The Right Hand is Doing

Guest Post by Steven Goddard Last weeks’ top Antarctic AGW story was : Antarctic ice melting faster than expected due to CO2, of course. This week the #1 story is : Antarctic ice spreading but the increase in size is … Continue reading

Posted in Antarctic, Ozone, Science, Sea ice | 114 Comments

Galactic Cosmic Rays May Be Responsible For The Antarctic Ozone Hole

NOTE: It has been pointed out to me by an email from a regular WUWT reader that some people get a different conclusion from the headline other than what I was thinking of.  So, for those who didn’t read the … Continue reading

Posted in Ozone, Science, Space | 114 Comments

This year’s Antarctic ozone hole is 5th biggest

September 12th, 2008 Ozone hole over the Antarctic From NASA News This is considered a “moderately large” ozone hole, according to NASA atmospheric scientist, Paul Newman. And while this year’s ozone hole is the fifth largest on record, the amount … Continue reading

Posted in Ozone, Science | Tagged , , | 173 Comments

New theory predicts the largest ozone hole over Antarctica will occur this month – cosmic rays at fault

From a University of Waterloo press release (h/t to commenter Rob) WATERLOO, Ont. (Tuesday, Sept. 16, 2008) — A University of Waterloo scientist says that cosmic rays are a key cause for expanding the hole in the ozone layer over … Continue reading

Posted in Ozone, Science | 123 Comments