Topic: Global warming
Bestinshow's photo
Wed 08/01/12 04:24 PM
Washington -- The verdict is in: Global warming is real and greenhouse-gas emissions from human activity are the main cause.

This, according to Richard A. Muller, professor of physics at the University of California, Berkeley, a MacArthur fellow and co-founder of the Berkeley Earth Surface Temperature project.

The United Nations Intergovernmental Panel on Climate Change and hundreds of other climatologists around the world came to such conclusions years ago, but the difference now is the source: Muller is a long-standing, colorful critic of prevailing climate science, and the Berkeley project was heavily funded by the Charles Koch Charitable Foundation, which, along with its libertarian petrochemical billionaire founder Charles G. Koch, has a considerable history of backing groups that deny climate change.

In an opinion piece in Saturday's New York Times titled "The Conversion of a Climate-Change Skeptic," Muller writes:

"Three years ago I identified problems in previous climate studies that, in my mind, threw doubt on the very existence of global warming. Last year, following an intensive research effort involving a dozen scientists, I concluded that global warming was real and that the prior estimates of the rate of warming were correct. I'm now going a step further: Humans are almost entirely the cause."

The Berkeley project's research has shown, Muller says, "that the average temperature of the earth's land has risen by 2 degrees Fahrenheit over the past 250 years, including an increase of 1 degree over the most recent 50 years. Moreover, it appears likely that essentially all of this increase results from the human emission of greenhouse gases."

He calls his current stance "a total turnaround."

Tonya Mullins, a spokeswoman for the Koch Foundation, said the support her foundation provided, along with others, has no bearing on results of the research.

"Our grants are designed to promote independent research; as such, recipients hold full control over their findings," Mullins said in an email. "In this support, we strive to benefit society by promoting discovery and informing public policy."

Some leading climate scientists said Muller's comments show that the science is so strong that even those inclined to reject it cannot once they examine it carefully.

Michael E. Mann, director of the Earth System Science Center at Pennsylvania State University, said Muller's conversion might help shape the thinking of the "reasonable middle" of the population "who are genuinely confused and have been honestly taken in" by attacks on climate science.

On his Facebook page, Mann wrote: "There is a certain ironic satisfaction in seeing a study funded by the Koch Brothers -- the greatest funders of climate change denial and disinformation on the planet -- demonstrate what scientists have known with some degree of confidence for nearly two decades: that the globe is indeed warming, and that this warming can only be explained by human-caused increases in greenhouse gas concentrations. I applaud Muller and his colleagues for acting as any good scientists would, following where their analyses led them, without regard for the possible political repercussions."

Muller's conclusions, however, did not sway the most ardent climate contrarians, like Marc Morano, a former producer for Rush Limbaugh and former communications director for the Republicans on the Senate Environment and Public Works Committee.
http://www.cleveland.com/nation/index.ssf/2012/07/global_warming_critic_richard.html

AndyBgood's photo
Wed 08/01/12 04:26 PM
Like China and Brazil give a rat's ***?

SGVtech's photo
Wed 08/01/12 06:31 PM
Edited by SGVtech on Wed 08/01/12 06:31 PM
Their data set doesn't broach 250 years. It really cant, because no on was around with nifty gear to record it where it needed to be sampled.

I'm all for reducing harmful pollution for the sake of.. well getting rid of harmful pollution.

metalwing's photo
Wed 08/01/12 07:46 PM

Their data set doesn't broach 250 years. It really cant, because no on was around with nifty gear to record it where it needed to be sampled.

I'm all for reducing harmful pollution for the sake of.. well getting rid of harmful pollution.


The data set goes WAY back farther than 250 years. Samples of the air and what is in the air is trapped in ice cores, Tree rings, ocean sentiments, etc, etc, etc.

s1owhand's photo
Thu 08/02/12 02:20 AM
Edited by s1owhand on Thu 08/02/12 02:21 AM
Very very very very stale warmed over news.
It's real though. Sell your oceanfront property now.

Dodo_David's photo
Thu 08/02/12 06:26 PM
Edited by Dodo_David on Thu 08/02/12 06:30 PM

Washington -- The verdict is in: Global warming is real and greenhouse-gas emissions from human activity are the main cause.


Are you a betting person?

I will see your Muller and raise you a group of Russian scientists:

As western nations step up pressure on India and China to curb the emission of greenhouse gases, Russian scientists reject the very idea that carbon dioxide may be responsible for global warming.

Russian critics of the Kyoto Protocol, which calls for cuts in CO2 emissions, say that the theory underlying the pact lacks scientific basis. Under the Theory of Anthropogenic Global Warming, it is human-generated greenhouse gases, and mainly CO2, that cause climate change. “The Kyoto theorists have put the cart before the horse,” says renowned Russian geographer Andrei Kapitsa. “It is global warming that triggers higher levels of carbon dioxide in the atmosphere, not the other way round.”

Russian researchers made this discovery while studying ice cores recovered from the depth of 3.5 kilometres in Antarctica. Analysis of ancient ice and air bubbles trapped inside revealed the composition of the atmosphere and air temperature going back as far as 400,000 years.

“We found that the level of CO2 had fluctuated greatly over the period but at any given time increases in air temperature preceded higher concentrations of CO2,” says academician Kapitsa, who worked in Antarctica for many years. Russian studies showed that throughout history, CO2 levels in the air rose 500 to 600 years after the climate warmed up. Therefore, higher concentrations of greenhouse gases registered today are the result, not the cause, of global warming.

Critics of the CO2 role in climate change point out that water vapours are a far more potent factor in creating the greenhouse effect as their concentration in the atmosphere is five to 10 times higher than that of CO2. “Even if all CO2 were removed from the earth atmosphere, global climate would not become any cooler,” says solar physicist Vladimir Bashkirtsev.

The hypothesis of anthropogenic greenhouse gases was born out of computer modelling of climate changes. Russian scientists say climate models are inaccurate since scientific understanding of many natural climate factors is still poor and cannot be properly modelled. Oleg Sorokhtin of the Russian Academy of Sciences Institute of Ocean Studies, and many other Russian scientists maintain that global climate depends predominantly on natural factors, such as solar activity, precession (wobbling) of the Earth’s axis, changes in ocean currents, fluctuations in saltiness of ocean surface water, and some other factors, whereas industrial emissions do not play any significant role. Moreover, greater concentrations of CO2 are good for life on Earth, Dr. Sorokhtin argues, as they make for higher crop yields and faster regeneration of forests.

“There were periods in the history of the Earth when CO2 levels were a million times higher than today, and life continued to evolve quite successfully,” agrees Vladimir Arutyunov of the Russian Academy of Sciences Institute of Chemical Physics.

When four years ago, then President Vladimir Putin was weighing his options on the Kyoto Protocol the Russian Academy of Sciences strongly advised him to reject it as having “no scientific foundation.” He ignored the advice and sent the Kyoto pact to Parliament for purely political reasons: Moscow traded its approval of the Kyoto Protocol for the European Union’s support for Russia’s bid to join the World Trade Organisation. Russian endorsement was critical, as without it the Kyoto Protocol would have fallen through due to a shortage of signatories. It did not cost much for Russia to join the Kyoto Protocol since its emission target was set at the level of 1990, that is, before the Russian economy crashed following the break-up of the Soviet Union. According to some projections, Russia will not exceed its target before 2017. Notwithstanding this, the Russian scientific community is vocal in its opposition to the Kyoto process.

“The Kyoto Protocol is a huge waste of money,” says Dr. Sorokhtin. “The Earth’s atmosphere has built-in regulatory mechanisms that moderate climate changes. When temperatures rise, ocean water evaporation increases, denser clouds stop solar rays and surface temperatures decline.”

Academician Kapitsa denounced the Kyoto Protocol as “the biggest ever scientific fraud.” The pact was lobbied by European politicians and industrialists, critics say, in order to improve the competitiveness of European products and slow down economic growth in emerging economies. “The European Union pushed through the Kyoto Protocol in order to reduce the competitive edge of the U.S. and other countries where ecological standards are less stringent than in Europe,” says ecologist Sergei Golubchikov.


The American Physical Society’s Forum on Physics and Society http://www.aps.org/units/fps/newsletters/200807/editor.cfm :

There is a considerable presence within the scientific community of people who do not agree with the IPCC conclusion that anthropogenic CO2 emissions are very probably likely to be primarily responsible for the global warming that has occurred since the Industrial Revolution.


Several thousand Canadian earth scientists:

Only about one in three Alberta earth scientists and engineers believe the culprit behind climate change has been identified, a new poll reported today.

The expert jury is divided, with 26 per cent attributing global warming to human activity like burning fossil fuels and 27 per cent blaming other causes such as volcanoes, sunspots, earth crust movements and natural evolution of the planet.

A 99-per-cent majority believes the climate is changing. But 45 per cent blame both human and natural influences, and 68 per cent disagree with the popular statement that “the debate on the scientific causes of recent climate change is settled.”

The divisions showed up in a canvass of more than 51,000 specialists licensed to practice the highly educated occupations by the Association of Professional Engineers, Geologists and Geophysicists of Alberta.

“We’re not surprised at all,” APEGGA executive director Neil Windsor said today. “There is no clear consensus of scientists that we know of.”


An Australian rocket scientist:

I DEVOTED six years to carbon accounting, building models for the Australian Greenhouse Office. I am the rocket scientist who wrote the carbon accounting model (FullCAM) that measures Australia’s compliance with the Kyoto Protocol, in the land use change and forestry sector.

FullCAM models carbon flows in plants, mulch, debris, soils and agricultural products, using inputs such as climate data, plant physiology and satellite data. I’ve been following the global warming debate closely for years.

When I started that job in 1999 the evidence that carbon emissions caused global warming seemed pretty good: CO2 is a greenhouse gas, the old ice core data, no other suspects.

The evidence was not conclusive, but why wait until we were certain when it appeared we needed to act quickly? Soon government and the scientific community were working together and lots of science research jobs were created. We scientists had political support, the ear of government, big budgets, and we felt fairly important and useful (well, I did anyway). It was great. We were working to save the planet.

But since 1999 new evidence has seriously weakened the case that carbon emissions are the main cause of global warming, and by 2007 the evidence was pretty conclusive that carbon played only a minor role and was not the main cause of the recent global warming. As Lord Keynes famously said, “When the facts change, I change my mind. What do you do, sir?”

There has not been a public debate about the causes of global warming and most of the public and our decision makers are not aware of the most basic salient facts:

1. The greenhouse signature is missing. We have been looking and measuring for years, and cannot find it.

Each possible cause of global warming has a different pattern of where in the planet the warming occurs first and the most. The signature of an increased greenhouse effect is a hot spot about 10km up in the atmosphere over the tropics. We have been measuring the atmosphere for decades using radiosondes: weather balloons with thermometers that radio back the temperature as the balloon ascends through the atmosphere. They show no hot spot. Whatsoever.

If there is no hot spot then an increased greenhouse effect is not the cause of global warming. So we know for sure that carbon emissions are not a significant cause of the global warming. If we had found the greenhouse signature then I would be an alarmist again.

When the signature was found to be missing in 2007 (after the latest IPCC report), alarmists objected that maybe the readings of the radiosonde thermometers might not be accurate and maybe the hot spot was there but had gone undetected. Yet hundreds of radiosondes have given the same answer, so statistically it is not possible that they missed the hot spot.

the alarmists have suggested we ignore the radiosonde thermometers, but instead take the radiosonde wind measurements, apply a theory about wind shear, and run the results through their computers to estimate the temperatures. They then say that the results show that we cannot rule out the presence of a hot spot. If you believe that you’d believe anything.

2. There is no evidence to support the idea that carbon emissions cause significant global warming. None. There is plenty of evidence that global warming has occurred, and theory suggests that carbon emissions should raise temperatures (though by how much is hotly disputed) but there are no observations by anyone that implicate carbon emissions as a significant cause of the recent global warming.


and an Alabama state climatologist who also testified before the U.S. Senate, and who testified that Muller had not adjusted the categorizations that he used for temperature stations to compensate for problems caused by alterations to the landscape surrounding the temperature stations.

Unfortunately, discussions about global warming focus on Tsfc [near-surface air temperature] even though it is affected by many more processes than the accumulation of heat in the climate system. Much has been documented on the problems, and is largely focused on changes in the local environment, i.e. buildings, asphalt, etc. This means that using Tsfc, as measured today, as a proxy for heat content (the real greenhouse variable) can lead to an overstatement of
greenhouse warming if the two are assumed to be too closely related.

. . . Fall et al. 2011 found evidence for spurious surface temperature warming in certain US stations which were selected by NOAA for their assumed high quality. Fall et al.categorized stations by an official system based on Leroy 1999 that attempted to determine the impact of encroaching civilization on the thermometer stations. The result was not completely clear-cut as Fall et al. showed that disturbance of the surface around a station was not a big problem, but it was a problem. A new manuscript by Muller et al. 2012, using the old categorizations of Fall et al., found roughly the same thing. Now, however, Leroy 2010 has revised the categorization technique to include more details of changes near the stations. This new categorization was applied to the US stations of Fall et al., and the results, led by Anthony Watts, are much clearer now. Muller et al. 2012 did not use the new categorizations. Watts et al. demonstrate that when humans alter the immediate landscape around the thermometer stations, there is a clear warming signal due simply to those alterations, especially at night. . .

. . . I’ve often stated that climate science is a “murky” science. We do not have laboratory methods of testing our hypotheses as many other sciences do. As a result what passes for science includes, opinion, arguments from authority, dramatic press releases, and fuzzy notions of consensus generated by a preselected group. This is not science.