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Wednesday, June 06, 2007
Debate Petition

The Heartland Institute has begun a petition drive to get Al Gore to accept the challenge to debate Lord Monckton which Lord Monction issued March 14, 2007.  Lord Moncton is a Scottish Peer, former advisor to Margaret Thatcher, and international business consultant. He has responded to An Inconvenient Truth (see Uncorrected errors by Al Gore) and did battle with Mr. Gore in the UK print media. No matter where you stand currently on this issue, this debate would enlighten both sides and many undecided in the middle.

See the debate challenge petition here and sign if you agree. 

Posted on 06/06 at 02:59 AM
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Monday, June 04, 2007
The Great South American May Cold Spell

By Eugenio Hackbart, Chief Meteorologist for MetSul Weather Center in Sao Leopoldo, state of Rio Grande do Sul, Southern Brazil

May 2007 will go to history as one of the coldest starts to climatic winter ever observed in South America. A brutal cold wave brought record low temperatures, widespread frost, snow and major energy disruption. The death toll for the 10-day cold wave was the highest for any single weather event in Argentina in recent history. Authorities confirmed 34 deaths directly or indirectly linked to the polar air incursion. Some of the fatalities were caused by hypothermia, but the majority of the victims died in consequence of fires and gas inhalation. The below-freezing temperatures prompted residents to turn on defective heaters using gas, wood and kerosene. The toxic but odorless carbon monoxide fumes and other lethal gasses were blamed for many of the deaths. In Cordoba, seven children died in a fire initiated by an improvised heater device. In the southernmost state of Rio Grande do Sul in Brazil one child died due to hypothermia.

The cold snap led to electricity and natural gas shortages, idling factories and taxis and causing sporadic blackouts in Argentina, according to press reports. Millions of residents fired up space heaters, straining Buenos Aires’ electrical grid for three nights and forcing authorities to slash power supply nationwide and briefly cut domestic natural gas provisions and exports to Chile. Many factories went idle when distributors shut off or reduced gas supplies to give priority to homes. Government regulators also ordered an 800-megawatt electricity cut nationwide for four hours, which led to sporadic blackouts in the capital Buenos Aires. Grumbling taxi drivers waited for hours in lines stretching several blocks to fill up their black-and-yellow cabs with scarce compressed natural gas. The shortages also had a ripple effect in neighboring Chile, where authorities scrambled to provide energy after Argentina slashed natural gas exports.

Temperatures hit the freezing point or dipped below for three successive nights in the Argentinean capital. Such cold is rare for the southern-hemisphere autumn in Buenos Aires, which normally sees temperatures in the 40s and 50s Fahrenheit or higher this time of year. According to the Servicio Meteorologico Nacional (Argentina’s National Weather Service), the low temperature of 0.3ºC registered in Downtown Buenos Aires was the lowest for the month of May since May 29th, 1962. The city also suffered the lowest windchill value observed in May for the last 36 years. On May 28th, the temperature at midday in Buenos Aires was only 3.7ºC, an unprecedented value in recent history.  Read more and see some amazing photographs here.

Posted on 06/04 at 01:08 PM
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Sunday, June 03, 2007
UK Independent Alarmist Story - Reality Check

By Joseph D’Aleo, CCM

A story in the UK Independent reported on three papers or stories timed to urge more drastic action by the G-8 in their upcoming Climate Change summit. The story said the changes occuring were far worse than even the most extreme IPCC scenario and thus warranted immediate and strong action. Lets take a look at the claims made.

One study, published by the US National Academy of Sciences, shows that carbon dioxide emissions have been increasing by about 3 per cent a year during this decade, compared with 1.1 per cent a year in the 1990s. Despite this reported increase in emissions, the atmospheric concentrations have NOT accelerated. The rate of change in 2006 was 0.44% which is virtually unchanged through the entire Mauna Loa record since 1959. This is proof that sinks such as the oceans and the land vegetation are able to fully sequester most of man’s input, which is minute compared to the natural sources (2.75% of the 0.0038% global atmospheric content of CO is just 0.12%). For a 100 story building, man’s input is the equivalent to the thickness of the linoleum on the bottom floor. It has been shown by Segalstad that even if you burned all of the fossil fuels on the planet at once, the CO2 would not increase more than 20%, it could never double. See Tom’s story and Tom’s PPT.


The story also quoted a study by the University of California’s National Snow and Ice Data Center shows that Arctic ice has declined 3 times faster since the 1950s than shown by the models. The actual temperature changes as measured by Polyakov and Dmintrenko (2003) are cyclical and along with the ice thinning and shrinking is similar to that last warm period in the 1930s and 1940s. Even the IPCC noted the changes were similar to the warming of the 1930s and 1940s. Even if all the arctic ice were to melt, it would not accelerate sea level rises because the ice is floating. That is why your glass of ice tea doesn’t overflow when the ice melts. The cycles in arctic temperatures (and US and Greenland) have been observed to extend back centuries.  We showed in this blog paper and this paper the cyclical and primarily natural factor driven behavior of temperatures in these regions.

Without major Greenland melting and Antarctic melting (both largely discounted even by the IPCC AR4), there will be no accelerated sea level rise. Indeed Holgate and Woodworth (2004) calculated that the mean rate of global sea level rise was “larger in the early part of the last century (2.03 ± 0.35 mm/year 1904-1953), in comparison with the latter part (1.45 ± 0.34 mm/year 1954-2003).”


Posted on 06/03 at 06:17 PM
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Saturday, May 26, 2007
How Volcanic Activity Affects Climate - Both Cooling AND Warming

By Joseph D’Aleo, CCM

Climatologists may disagree on how much the recent global warming is natural or manmade but there is general agreement that volcanism constitutes a wildcard in climate, producing significant global scale cooling for at least a few years following a major eruption. However, there are some interesting seasonal and regional variations of the effects. Robock (2003) and others have shown that though major volcanic eruptions seem to have their greatest cooling effect in the summer months, the location of the volcano determines whether the winters are colder or warmer over large parts of North America and Eurasia.

In the blog story from the All About Climate link on Volcanism_and_Climate, we also show how unusually low volcanic aerosol activity after a long period without a major volcano as we are experiencing currently, produces a global warming with greatest warming in polar regions just as high aerosol content seems to lead to cooling maximized in the polar regions.

Image shows annual mean temperature anomalies in degrees celsius for all years with abnormally (>1/2 STD) high and low aerosol content. For larger images and more details see the full story here

Posted on 05/26 at 08:56 PM
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Saturday, May 19, 2007
Could this Year Be the Northeast’s Hurricane Year?

By Joseph D’Aleo

Bill Gray has been telling us since the Atlantic turned warm in 1995, that the Atlantic would be more active, with more storms, more intense storms and more landfalls on the U.S. mainland all the way from Brownsville to New England.  The first areas to feel the brunt were the southeast coast and the Gulf and then in 2004 Florida. New York and New England has had simply to put up with heavy rain and locally damaging winds with storms that had come inland and weakened long before reaching the area.

History tells us during the warm Atlantic, New York and New England is also more vulnerable to a direct hit. History also tells us this is more likely during La Nina summer. In fact in the 11 La Nina summers when the Atlantic was warm since the middle 1930s, there was at least one landfalling storm from the east coast of Florida to New England in every year with a total of 15 storms, 11 of them major CAT 3-5 storms. 9 of the storms affected the northeast directly or indirectly.


It appears this summer will be a La Nina summer and the Atlantic is still solidly in its warm mode. This suggests New York and/or New England may be especially vulnerable this summer and fall (and if La Nina persists through this winter again in 2008). Indeed Bill Gray has put the probability of a landfalling major CAT 3-5 storm along the east coast from Florida to New England at 50% (average in the 20th century was 31%).  The following is account of one such system, The_Great_Hurricane_of_38.pdf. For a more complete analysis of the threat and history of northeast storms, see East_Coast_Hurricanes.pdf.

Of course a major landfall on the populated northeast would be blamed on global warming although major landfalls occurred in the cold early and late 1800s. 

Posted on 05/19 at 03:29 AM
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Thursday, May 17, 2007
NASA We Have a Problem…With Your Forecast

Echoing a story we posted last week on a new NASA model showing much hotter summers in the east in the Icing the Hype section, James Spann in the website in a blog story entitled “NASA We Have a Problem” challenges the ability of models to get it right short and long term, of using just 30years of data (editor’s note: conveniently the 30 years of the warm part of the longer term cycles since the Great Pacific Climate Shift in 1978 - see Ocean Induced Temperature Cycles) and of the so-called consensus of meteorologists and climatologists, and other scientists

He also notes “ refreshing it was to hear Dr. Roy Spencer of the University of Alabama in Huntsville on the Rick and Bubba show earlier this week, who calmly presented the viewpoint that the warming in recent years is mostly natural. His facts and presentation were excellent, and all I can say is AMEN. And, by the way, I stand by the statement I wrote back in January.

He goes on “I don’t know of another television meteorologist who buys into the catastrophic, man-made global warming hype. I am sure there are some out there, but I sure can’t find them.”

Posted on 05/17 at 05:33 PM
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Monday, May 14, 2007
ERAU Professor Seeks Balance in Global Warming Debate

In a blog reported story last week, we reported on the disappointing decision to force students at Roger Williams University to watch An Inconvenient Truth to pass the Science core and graduate.

In a contrasting example of the right approach, Mark Harper, Science reporter with the Daytona Beach news-journal online, reported that Embry-Riddle professor James Wanliss, a space physicist showed students both An Inconvenient Truth and The Great Global Warming Swindle in an honors course titled “The Politics and Science of Fear” because he said more and more the public is being sold one side of an issue with many dimensions. “I fear that attempts are being made to purposefully subvert the public understanding of the nature of science in order to achieve political goals,” he wrote in an e-mail. “Science is not about consensus, and to invoke this raises the hackles of scientists such as myself.

The lure of politics and publicity is no doubt seductive, but it nevertheless amazes me that so many scientists have jumped on the bandwagon of consensus science, apparently forgetting or ignoring the sad history of consensus science.” John Olivero, professor and chairman of the department of physical science—allowed that skepticism is an essential tool of the scientific method.

Wanliss’ students at Embry-Riddle leaned toward the skeptical. The professor said that is an important lesson about science. “You want certainty, but it’s hard to get that,” he said. “Science isn’t about certainty”.  See full story here

Posted on 05/14 at 06:32 PM
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Friday, May 11, 2007
How Unusual is a May Named Tropical Storm?

May or even April named tropical systems are actually not that uncommon, even when the Atlantic was cold as it was in the later 1960s and 1970s. The following shows the number of April/May (pre-offficial hurricane season) storms by decade from 1950s to the 2000s. Both the 1950s and 1970s had 3 early storms. We have had 2 so far this decade.


Does an early tropical system foretell an active season? Again history says no, at least not by itelf.  The average number of named storms that have occurred in years with an April or May storm since 1950 is 10.66, virtually the same as the average number for the season in all years during that period (1950-2006) of 10.72 storms. Actually more useful as a predictor is the warm Atlantic (positive Atlantic Multidecadal Oscillation) correlation that Bill Gray and Phil Klotzbach, Chris Landsea and those at the National Hurricane Center past (most recently Max Mayfield) and present adhere to. When the AMO is positive (the Atlantic is in its warm mode), the average since 1950 has been 12.81 storms.  It is in the warm mode this season.

Ironically Andrea’s formation brings to a close the longest period on record globally without a tropical cyclone. The last advisory issued on a tropical cyclone this year was at 06 GMT on April 6th, for Tropical Cyclone Cliff in the Southern Hemisphere. Wednesday’s 15 GMT advisory on Subtropical Storm Andrea ends the record longest period without a tropical cyclone at 33.4 days, besting the old record of 31.5 days set mid-April to mid-May in 1984. Reliable records of global tropical cyclone numbers go back to the beginning of the satellite era, about 1970.

Posted on 05/11 at 11:00 PM
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Wednesday, May 09, 2007
Students Presented One Side of the Story

We hear in the news that many school systems around the country have made An inconvenient Truth required viewing for their students and in one system in California even the student’s parents. We know most students are being told in the classroom that the science is settled. This is true from the elementary to the college level. I have personally received e-mails from students at major universities seeking help finding more balanced information on climate change. They have told me their professors presented the science as indeed settled and no longer open for discussion, in more than one case calling skeptics shills for big oil or simply crackpots.

This story by Randy Hall of Cybercast News Service “ RI Students Must Watch ‘Inconvenient Truth’ to Graduate” is especially telling. 

To receive a degree from Roger Williams University in Rhode Island, students are being forced to watch “An Inconvenient Truth,” the documentary on global warming produced by former Vice President Al Gore. After learning of the requirement, Dana Peloso, an RWU junior and president of the school’s chapter of the College Republicans, sent a letter questioning the course requirement to Jeffrey Hughes, assistant dean of marine and natural sciences. “With the issue of global warming being such a highly politicized topic, with the scientific community unsure if global warming is man-induced or part of the natural cycle of the earth, do you think that it is intellectually honest to only show the alarmist viewpoint?” Peloso asked. “If the movie is still shown, what plans are there to incorporate the ideas of leading global warming skeptics into class discussion?” he added.

Assistant Dean Hughes replied “After an initial and heated debate, scientists no longer question whether the atmosphere is being warmed due to human activities and instead are increasingly impressed with the speed and impact of the process,” Hughes wrote. “I repeat: there is no doubt that we’re warming the earth and that a continuation of our activities will lead to profound changes.” “Penguins, polar bears and your unborn children have no vote in this. They must live with decisions we make today,” the assistant dean said.

The science class requirement has prompted one conservative student to declare that “we should stop calling these schools ‘bastions of knowledge’ since they’re really bastions of leftist thought.” Jason Mattera, who graduated from RWU in 2005, responded that Hughes’ behavior amounted to “gross intolerance” at a university that promotes itself as a place that values “collaboration of students and faculty in research” and “appreciation of global perspectives.”

Posted on 05/09 at 07:01 PM
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Tuesday, May 08, 2007
NASA Discovers ‘Twilight Zone’ of New Air Particles

In a Live Science story, Andera Thompson reports on “An extensive and previously unknown “twilight zone” of particles in the atmosphere could complicate scientists’ efforts to determine how much the Earth’s climate will warm in the future.”

The area around clouds has given us trouble,” said study team member Lorraine Remer of NASA’s Goddard Space Flight Center in Greenbelt, Md. “The instruments detected something there, but it didn’t match our understanding of what a cloud or an aerosol looked like. What we think we’re seeing is a transitional zone where clouds are beginning to form or are dying away, and where humidity causes dry particles to absorb water and get bigger.” Scientists have been aware of an indistinct “halo” surrounding individual clouds, but the newly detected zone is much more extensive, taking up as much as 60 percent of the atmosphere previously labeled as cloud-free.

The blue light from the atmosphere in the original image is first subtracted. The twilight zone is revealed after the darker parts of the image are enhanced. Credit: Koren et al., Geophysical Research Letters

“The effects of this zone are not included in most computer models that estimate the impact of aerosols on climate,” said lead author Ilan Koren of the Weizmann Institute of Science, in Israel. “This could be one of the reasons why current measurements of this effect don’t match our model estimates.”

The study was published in the April 18 issue of the journal Geophysical Research Letters.

Posted on 05/08 at 09:45 PM
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Monday, May 07, 2007
RMS and Great Global Warming Swindle

In the April 25th Icing the Hype story “Move Afoot to Block “The Great Global Warming Swindle “ DVD”, we reported about the effort of 37 UK scientists to block the sale of the DVD based on claimed inaccuracies and misrepresentations.

See Stephen McIntyre’s Climate Audit blog where he shows that at least three of their major claims are not justifed nor wise.  See Risk Management Solutions Ltd and the 37 Professors and RMS and Sulphate Emissions and Swindle and the Stick.

Posted on 05/07 at 01:49 AM
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Saturday, April 28, 2007
The Oceans Role in Greenland and the Arctic Region Temperatures and Ice

By Joe D’Aleo, Icecap

In the prior blog, we showed how multidecadal ocean cycles were playing a role in temperature swings over the past 110 years and could be used to explain much of the variance. In the attached brief paper, I show how the same can be said for Greenland and the Arctic where these factors play a far more convincing role in the observed changes than greenhouse gases.  This was confirmed in a June 2006 GRL paper Greenland Warming of 1920-1930 and 1995-2005 by Chylek etal.  See Greenland Warming

Image above shows Greenland Annual Temperatures since 1880 at Godthab Nuuk (top) vs the Atlantic Multicdecadal Oscillation (bottom). For full aize images see pdf.

Arctic Basin-wide Annual Mean Temperatures (Polyakov) likewise follow the ocean multidecadal cycles

See the full blog story here Greenland_and_the_Arctic.pdf

Posted on 04/28 at 08:12 PM
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Tuesday, April 17, 2007
The Oceans Role in Climate Change

By Joe D’Aleo, Icecap

Dr William Gray has discussed the importance of the Atlantic Multidecadal Oscillation (AMO in both tropical storm activity and global warming.  Dr James Hansen et al., 1998 wrote about the importance of the Pacific Decadal Oscillation (PDO) in persisting regional patterns of coolness in the southeastern United States and warmth in the west.

In the following paper, I show how the oscillations in the two oceans affect temperature cycles and how irregular clustering of volcanic activity modulates the effects (enhancing or temporarily reversing). The numbers suggest the ocean multidecadal cycles are not given the respect they deserve in climate change.

Image above shows PDO+AMO vs US HCN Annual Mean Temperatures. 

Posted on 04/17 at 03:25 AM
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Monday, March 26, 2007
Putting Popper in the Hopper

By Joe D’AIeo, Icecap

In his book Historical Perspectives on Climate Change, James Fleming noted that around 1950, the climatologist C. E. P. Brooks, echoing Rudyard Kipling’s “nine and sixty ways of making tribal lays,” quipped, “There are at least nine and sixty ways of constructing a theory of climatic change, and there is probably some truth in quite a number of them.”

That is as true today as it was half a century ago. Yet today, the media, the UN and many of the world’s governments have declared that only one is really important. Read More Popper_in_the_Hopper.pdf

Posted on 03/26 at 10:09 PM
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Wednesday, March 21, 2007
Washington State Climatologists Battle over Snowpack Numbers

The Seattle Times reported last week “The snowpack in the Cascades, it was said, shrank by 50 percent in the last half-century. That statistic has been repeated in a government report, on environmental-advocacy web sites and in media coverage.... Seattle Mayor Greg Nickels recently mentioned it in a guest column in The Seattle Times....Here’s the problem. The number is dead wrong”. See how the debate caused the assistant state climatologist to be stripped of his title.

See in the analysis below how the changes are cyclical and likely relate to the PDO and not global warming. See Northwest_Snow_Drought?


Posted on 03/21 at 02:05 PM
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Page 92 of 93 pages « First  <  90 91 92 93 >

World Climate Report

Global Warming Hoax


Right Side News

The Week That Was by Fred Singer

The Inhofe EPW Press Blog

Climate Debate Daily

James Spann’s Blog

Art Horn’s “The Art of Weather”

Hall of Record

Science and Environmental Policy Project

Weatherbell Analytics

Demand Debate

Climate Cycle Changes

Global Warming Hoax

Junk Science

Climate Skeptic

Energy Tribune

Global Warming Skeptics

Intellicast Dr. Dewpoint

CO2 Sceptics

Tropical Cyclone Blog of Ryan Maue COAPS

Climate Change Fraud

Dr. Roy Spencer

Dr. Dewpoint on Intellicast

Ice Age Now

I Love My Carbon Dioxide

APPINYS Global Warming

Global Warming Scare

Finland Lustia Dendrochronology Project

Carbonated Climate

The Reference Frame - Lubos Motl’s weblog

Climate Debate Daily

Roy Spencer’s Nature’s Thermostat

John Daly’s What the Stations Say

Metsul’s Meteorologia

Cornwall Alliance


Climate Depot

John McLean’s Global Warming Issues

Climate Audit

The Cornwall Alliance

Blue Hill Observatory, Milton MA

Scientific Alliance

The Climate Scam

Blue Crab Boulevard

Warwick Hughes

Digging in the Clay

Tom Skilling’s Blog

Craig James’ Blog

Redneck USA

Bald-Faced Truth

Carbon Folly


Middlebury Community Network on The Great Global Warming Hoax

Climate Debate Daily

Science Bits

Accuweather Global Warming

Greenie Watch

TWTW Newsletters

Joanne Nova- The Skeptic’s Handbook

Musings of the Chiefio

The Weather Wiz

Climate Research News

Tom Nelson Blogroll

Watts Up with That?

Earth Changes

Climate Resistance

Gary Sharp’s It’s All About Time

The New Zealand Climate Science Coalition

John Coleman’s Corner

Raptor Education Foundation

Climate Science: Roger Pielke Sr. Research Group Weblog

Warmal Globing

The Heartland Institute


Reid Bryson’s Archaeoclimatology

Web Commentary, The Niyogi Lab at Purdue

Vaclav Klaus, Czech Republic President

Wisconsin Energy Cooperative

The Resilient Earth

Bob Carter’s Wesbite

Where is Global Warming (Bruce Hall Collection)

CO2 Science

MPU Blog

AMSU Global Daily Temps

COAPS Climate Study US

Dr. Roy Spencer

Ross McKitrick Google Home Page

Bill Meck’s Blog

Climate Police

Raptor Education Foundation

Analysis Online

Science and Public Policy Institute

Committee for a Constructive Tomorrow (CFACT)

Marshall Institute Climate Change

Anthony Watts Surface Station Photographs

Gore Lied