July 15, 2008

Hail No – It Isn’t Happening!

Who could ever forget one of the opening scenes in The Day After Tomorrow when hailstones the size of basketballs were crashing into Tokyo causing death and destruction. Obviously, the greenhouse alarmists cannot wait to claim that severe storms will increase in frequency and intensity in the future, and nothing drives home the point like a city being punished by killer hail stones.

Amazingly, a search of “Global Warming and Hail” produces over one million hits, although some include the word “hail” as a word to “summon” or “call” for some action and have nothing to do with ice falling from the sky. Nonetheless, there is no end of material with titles about Nebraska towns using snowplows in summer to clear hail, crops being damaged by unusual hail events, and on and on. One of our favorites is “Latest Global Warming Worry: Megacryometeors” – use the word “megacryometeors” at the next greenie cocktail party and you will definitely win the award for outstanding global warming vocabulary!

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July 7, 2008

Increasing Intense Storms?

Filed under: Precipitation

One claim from the global warming advocates we hear over and over is that severe storms are increasing in frequency and intensity. If pressed on this matter, they will concede that considerable debate surrounds trends or model predictions for hurricanes or tornados, but they insist that intense precipitation has definitely been increasing thanks to global warming. To buttress their arguments, they will point out that the Intergovernmental Panel on Climate Change (IPCC) states in their most recent summary that “The frequency of heavy precipitation events has increased over most land areas, consistent with warming and observed increases of atmospheric water vapour.” Furthermore, IPCC states that the observed trend over the most recent five decades is “likely,” that the trend is caused in some part by humans is “more likely than not,” and that the trend will continue this century is “very likely.”

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July 1, 2008

Of Antarctica and Penguins

Tell us the truth – do the two pictures below really hit home with you? Do they make you want to walk to work, put up solar panels this weekend, and eat lower on the food chain the rest of your life? The images, and literally dozens like them available on the internet, drive home the obvious point that Antarctica is melting, global warming is the cause, and we in the United States are responsible for the demise of the penguins thanks to our appetite for fossil fuels. This type of presentation is very typical of the global warming alarmists – feel free to visit nearly 500,000 web sites dealing with global warming and Antarctica. If you have visited our site before, you would know that the professional scientific literature is full of articles questioning the simplistic statements regarding global warming, Antarctica, and the poor penguins.

And in today’s news, there is another tear-jerker about penguins. A new soon-to-be-published study by University of Washington’s P. Dee Boersma reports that the world’s penguin species are generally in decline (remember, bad things happen to good species and good things happen to bad ones) and the press eats it up. AP science writer Seth Borenstein describes their plight like this:

The decline overall isn’t caused by one factor, but several.

For the ice-loving Adelie penguins, global warming in the western Antarctica peninsula is a problem, making it harder for them to find food, said Phil Trathan, head of conservation biology at the British Antarctic Survey, a top penguin scientist who had no role in the new report.

For penguins that live on the Galapagos island, El Nino weather patterns are a problem because the warmer water makes penguins travel farther for food, at times abandoning their chicks, Boersma said. At the end of the 1998 record El Nino, female penguins were only 80 percent of their normal body weight. Scientists have tied climate change to stronger El Ninos.

Oil spills regularly taint the water where penguins live off Uruguay, Argentina and Brazil and have contributed to the Punta Tumbo declines, Boersma said.

Hmmm, the “several” factors the Borenstein comes up with are “global warming,” “climate change,” and our thirst for oil. If he is trying to be subtle, he doesn’t succeed.

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June 26, 2008

Let’s Revisit Katrina, Again

Filed under: Climate Extremes, Hurricanes

Are we ever going to put Katrina to bed? We have covered no end of articles clearly showing that hurricane activity is not increasing and likely will not increase in frequency or intensity due to the ongoing buildup of greenhouse gases. Virtually every prominent scientist involved in hurricane research agrees that it is brutally unfair to blame any one event on global warming, and yet to this day, almost every global warming presenter hints around that we caused Katrina, or at least we substantially added to its strength. As time passes, you would think this storyline would die. However, the recent tragedy in Myanmar associated with Cyclone Nargis left tens of thousands dead and reinvigorated the “global warming equals bigger hurricane” crusade.

Incredibly, more than a million websites come up for a search of Myanmar and Katrina! Countless titles appear such as “Cyclone’s path through Myanmar resembled Katrina’s wrath” or “Myanmar cyclone, Katrina, People in Glass Houses” or “ABC Calls Myanmar Cyclone ‘Asia’s Katrina’” or “Are devastating storms like Hurricane Katrina and Myanmar Cyclone a sure sign of global warming?” Throw in some pictures of Al Gore, and the connection is made loud and clear between global warming and hurricanes all over the world.

Yet another article has appeared in a major journal (Geochemistry, Geophysics, Geosystems) entitled “Tropical cyclone variations in Louisiana, U.S.A., since the late eighteenth century.” The work was done by Cary Mock of the University of South Carolina and the research was funded by the National Science Foundation. Mock notes that “the current Atlantic Basin record is too short to encompass the full range of temporal variability needed to calculate accurate probabilities and recurrence intervals essential for long-range hurricane prediction and hazard assessment. A longer temporal perspective of hurricane activity would be quite reassuring, particularly since the characteristics of climatic forcing mechanisms of the previous centuries, as well as the last few decades, are different, and because increased coastal development and population is likely to continue in conjunction with anticipated future climate change.” We doubt anyone would argue that longer term records of hurricane activity would be very useful at this point.

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June 20, 2008

Finnish Finish “Global” Warming

An international conference was recently held in Zakopane, Poland hosted by the Department of Quaternary Paleogeography and Paleoecology at the University of Silesia and the Institute of Geography and Regional Development at the University of Wroclaw. The meeting also served as the Annual Conference of the Association for Tree-Ring Research. Over 100 scientists gave presentations at the meeting, most were from Europe, although one presenter was from Penn State University and two others from the University of Missouri made the trip to present their research in Poland. The Association for Tree-Ring Research is a credible organization with no agenda that we know of regarding the global warming issue.

One presentation there was entitled “Climate variation (cycles and trends) and climate predicting from tree-rings”, and normally, we would be reluctant to feature conference presentations at World Climate Report. However, the work is an update of what the lead author recently published in The Holocene, the work is currently under review at an undisclosed scientific journal, and the authors have a history of publications in outstanding journals.

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June 16, 2008

The Virginia Climate Change Commission and the Mirage of Low Hanging Fruit

Filed under: Climate Politics

The Virginia Commission on Climate Change has been tasked by Virginia Governor Tim Kaine with coming up with Climate Action Plan to reduce Virginia’s greenhouse gas emissions by 30 percent by the year 2025. As it turns out, this will prove much tougher than it first seems.

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June 4, 2008

The Sanctity of Climate Models

Filed under: Surface, Temperature History

Reading between the lines of the new Thompson et al. Nature paper suggests that once they get the details worked out, the “updated” observed global temperature history is going to fit climate model hindcasts even better than it does now, and embolden confidence in their future projections.

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May 29, 2008

Tropical Cyclones Down-Under

Filed under: Climate Extremes, Hurricanes

We have written so much about the link between climate change and hurricanes (a.k.a., tropical cyclones, TCs) that we sometimes wonder if there could be anything new to report. No sooner than we have such a thought, yet another article on the subject appears in some leading scientific journal. A sentence in the abstract from this new article really caught our eye as we read “For the 1981/82 to 2005/06 TC seasons, there are no apparent trends in the total numbers and cyclone days of TCs, nor in numbers and cyclone days of severe TCs with minimum central pressure of 970 hPa or lower.”

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May 22, 2008

A Sea Surface Story

Filed under: Temperature History

Sometimes we wonder if authors of papers are not outright campaigning for coverage in World Climate Report. Chose a title like “Ocean surface warming: The North Atlantic remains within the envelope of previous recorded conditions” and you will be guaranteed coverage by our skeptical scientists!

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May 16, 2008

Where Are All The Drowning Polar Bears?

Filed under: Adaptation, Animals, Arctic, Polar

The Interior Department just announced its decision to list the polar bear as “threatened” under the U.S Endangered Species Act (ESA). The justification behind the decision is that polar bears are highly dependent on sea ice in the Arctic for their livelihood—hunting, mating, birthing, family rearing, etc.—and thus if sea ice declines, so will the overall health of the species. While this may, in fact, be true in some sense, it also gives short-shrift to the bears adaptive abilities, which must be large, given that they survived the previous interglacial warm period as well as an extended period of warmer-than-present conditions in the Arctic (which undoubtedly were associated with reduced sea ice levels) about 5,000 to 7,000 years ago (give or take a thousand years) (see here fore example). If the bears fare worse this time around, it will mostly likely be because their natural adaptive response may run up against a human roadblock in the form of habitat disruption or other types of difficulties that an increased human presence may pose to the adapting bears. It seems that this is what the intent of the ESA is aimed at tempering, not trying to alter the climate—precisely how the Act should have be applied, despite all the criticism surrounding the decision.

All this renewed attention to polar bears has piqued our interest in just how the bears have been faring recently. Al Gore made movie stars out of drowning bears in his 2006 film An Inconvenient Truth with an animation sequence depicting a small patch of floating ice disintegrating under a struggling polar bear until it was left swimming alone in a vast expanse of open ocean. One couldn’t help to get a little teary-eyed at the notion.

And as the public just can’t get enough of cute, cuddly, slightly aggressive movie stars who are a little down on their luck, the paparazzi are never too far behind to document their each and every move. Pictures of Paris Hilton partaking in every activity imaginable abound and Britney can’t even pull out of a parking lot without running over a photographer’s foot. So where are all the pictures of drowned and drowning polar bears?

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