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May 14, 2007
The Temperature of the Global Ocean

CO2 Science

CO2 Science reviewed “Is the world ocean warming? Upper-ocean temperature trends: 1950-2000” published in the Journal of Physical Oceanography by Harrison and Carson. Harrison and Carson report that the upper ocean “is replete with variability in space and time, and multi-decadal variability is quite energetic almost everywhere.” In fact, they found that 95% of the 2° x 2° regions they studied “had both warming and cooling trends over sequential 20-year periods,” and that “the 51-year trends are determined in a number of regions by large trends over 20- to 25-year sub-periods.”

The two researchers say their results suggest that “trends based on records of one or two decades in length are unlikely to represent accurately longer-term trends,” and, therefore, that “it is unwise to attempt to infer long-term trends based on data from only one or two decades.” See full review here.

See blog entry about the mulitdecadal cycles in the Pacific and Atlantic and their relationship to US temperatures here.

May 08, 2007
Who or What is the Real Culprit?

Andy, Ho, The Strait times

Come July 7, megastars of the pop music world will hold seven mammoth concerts across the world to bring attention to global warming. This initiative comes on the heels of former US vice-president Al Gore’s Oscar for his documentary An Inconvenient Truth. Arguably the most famous layman’s account of how human activities are causing global warming that will lead to cataclysmic climate disasters, it has all but settled the debate, fans say.  True, average global temperatures have risen 0.2 deg C in the last 30 years or so. Yet when Hollywood gets into the act, red flags should go up. Furiously.

Yes, Minister Mentor Lee Kuan Yew and British premier Tony Blair believe in it. Even US President George W. Bush, the last holdout, gave in to the hype in February. After all, environmental groups, government reports and the media assert that there is virtually unanimous agreement among the best scientists about human-induced global warming. It is now sacrilegious to doubt this theory that the burning of fossil fuels by humans leads to rising levels of carbon dioxide or CO2, said to be the principal greenhouse gas, thus heating up the earth.

In the story , Andy goes on to challenge some of the main tenets of the theory, showing not all experts agree that man is to blame.

May 03, 2007
New Horizon Photos of Jupiter’s Second Red Spot and Volcano on Io

Several discoveries have been made from images captured in late February by the New Horizons probe in what NASA scientists called “a real-world fly-by” of Jupiter, 16 months into its mission to Pluto.


They also got the closest look yet at the “Little Red Spot,” an Earth-sized swirling storm that scientists described as a galactic rendition of Vincent Van Gogh’s “Starry Night” painting, and dramatic views of volcanic eruptions on Jupiter’s moon Io. See New_Horizon.pdf

May 01, 2007
Interview By Marcel Crok Of Roger A. Pielke Sr - January 2007

Climate Science

What are the problems with the surface temperature data?

The main problem is over land where most of the warming has actually occurred. The difficulty is that you have a lot of variation in temperatures over short distances. We have evidence that there is a warm bias in the surface record and that claims like ‘2005 being the warmest on record etc.’ are not valid. The different communities that are collecting these data, the East Anglia group in the UK, the GISS group (NASA) and the group at NOAA, have different analyses, but they are basically extracting their record from the same raw data, which have these biases. We think the surface air temperature is a very poor metric to compare against. Unfortunately that’s what the IPCC has chosen.

Is there an alternative?

I have suggested assessing the ocean heat content trends (see), which is a much more robust diagnostic for global warming or cooling. See the full interview here

Apr 30, 2007
Famed hurricane forecaster: Oceans, not CO2, cause global warming

AP International Herald Tribune

The United States’ leading hurricane forecaster said Friday that global ocean currents, not human-produced carbon dioxide, are responsible for global warming, and the Earth may begin to cool on its own in five to 10 years. William Gray, a Colorado State University researcher best known for his annual forecasts of hurricanes along the U.S. Atlantic coast, also said increasing levels of carbon dioxide will not produce more or stronger hurricanes.

He said that over the past 40 years the number of major hurricanes making landfall on the U.S. Atlantic coast has declined compared with the previous 40 years, even though carbon dioxide levels have risen. Gray, speaking to a group of Republican state lawmakers, had harsh words for researchers and politicians who say man-made greenhouse gases are responsible for global warming. “They’re blaming it all on humans, which is crazy,” he said. “We’re not the cause of it.”
See full story here

Apr 17, 2007
More Science vs. Gore on Rapid Polar Ice Wastage

By Sherwood, Keith and Craig Idso

Anderson (Science 2007) concludes that “sea-level rise may not destabilize ice sheets as much as previously feared,” which in turn suggests that sea level itself may not rise as fast or as high as previously feared. In addition, sea-level rise due to polar ice wastage is currently progressing at what could only be called a snail’s pace, all of which facts lead us to wonder ... Just what make-believe world is Al Gore living in?  See full story here

Apr 11, 2007
A Green Vanity Affair

Roy Spencer

Prize-potential pontificating is never more appropriate than in a journalistic exposé of heartless, power-hungry villains oppressing powerless victims and raping the Earth. And Vanity Fair’s 2007 Green Issue oozes with righteous indignation toward all those evil executive-branch politicians and big businesses which exploit the earth for power and profit.  Climate scientist mocks Vanity Fair’s Green Issue as ‘mindless hypocrisy’

Mar 29, 2007
Interview with Dr. S. Fred Singer


”...there’s no question in my mind that humanity is able to affect climate on a local scale. We all know that cities are warmer than the suburbs or surrounding countryside. So there’s clear indication that human beings, in producing energy, in just living, generate heat. We’re not going to go back to living without energy. Whether or not human beings can produce a global climate change is an important question. This question is not at all settled...”
Read interview here

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