Oregon Integrated Water Resource Strategy swayed by modern politics
By Curtis W. Martin, Guest editorial, Hermiston Herald, April 14, 2010 [here]
Oregon’s Water Resources Department (OWRD) has embarked upon a project, mandated by the 2009 Legislature (House Bill 3369), to review the management of water as prescribed in our water code, in existence for over 100 years.
One of the key points to understand is that it is totally politically motivated.
It was not initiated by the Water Resources Department from a known problem needing correction, nor requested from any other agency or organization.
The concept that the 1909 Water Code is outdated and immutable is incorrect. It is not a stagnant document. It has been modified numerous times, as evidenced by the inclusion of minimum stream flows (benefiting aquatic habitat), codifying storage and delivery systems and prioritization of societal needs for the quality and quantity of this precious resource.
Nevertheless, the Integrated Water Resources Strategy (IWRS) is statutory and is being promulgated by a project team, assembled by the Water Resources Department. To their credit, they have established good information about the “strategy” on the OWRD Web site, which I would encourage everyone interested in production agriculture to visit, become informed about and then participate in the “open house” sessions currently being held around the state — most recently in Umatilla.
The Oregon Cattlemen’s Association has multiple concerns with the IWRS. Lead among these are possible major changes to adjudicated water rights, as are now contained within the 1909 Oregon Water Code. The September 29, 2009, OWRD Briefer states that — although the Integrated Water Resources Strategy project is not “intended to overhaul water law or reallocate — but if during this process, statutory modifications are deemed necessary, the Water Resources Commission will forward recommendations to the Legislature to achieve the objectives of the Water Strategy.”
Make no mistake, this clearly could jeopardize how and where we currently prioritize water use and management. The economy of this state would suffer, in that businesses (not only agricultural) could no longer be sure that their supply of water would not be threatened.
Murkowski: government uses ESA to halt development
By Sean Manget, Alaska Journal of Commerce, April 16, 2010 [here]
The Endangered Species Act is being used by the federal government to stop resource development in Alaska, according to U.S. Sen. Lisa Murkowski and several panelists at a recent forum event.
This accusation follows a recent push on the part of the Republican senator to keep the Environmental Protection Agency from regulating carbon emissions, an effort Alaska Governor Sean Parnell joined recently.
“The ESA is being used and, indeed, abused, to shut down economic development and regulate climate change, which it wasn’t meant to do,” Alaska Attorney General Dan Sullivan said at the forum, where eight panelists representing different principal players in the debate on the local level answered a series of questions issued by Murkowski.
“It seems as if they go after species in areas where it would hurt development,” said Jason Brune, executive director of the Resource Development Council, an oil industry trade group.
Brune said there have been oil platforms in Cook Inlet for 50 years, and that companies have been coexisting with the beluga whales during that time without harming the whale population.
In 2008, Cook Inlet belugas were listed as an endangered species under the ESA. Since then, the National Oceanic and Atmospheric Administration’s National Marine Fisheries Service has sought to designate the inlet as a critical habitat, meaning any new development in the area funded or developed by the federal government would need to be OK’d by NMFS before being allowed to continue. … [more]
Thanks for the news tip to Julie Kay Smithson of Property Rights Research [here, here]
Rehberg co-sponsors bill to stop record tax increase
‘Taxpayer Certainty Act’ provides stability and stimulates job creation
by Jed Link, The Clark Fork Chronicle, April 15 2010 [here]
WASHINGTON, D.C. – Rep. Denny Rehberg (R-Montana) today cosponsored The Taxpayer Certainty Act, which would make permanent the tax relief passed in 2001 and 2003. The legislation would prevent the largest tax increase in American history, which goes into effect automatically at the end of the year unless Congress acts to stop it.
“Raising taxes during an economic crisis is like looting a burning house,” said Rehberg, a member of the House Liberty Caucus. “I’ve heard from countless Montana small business owners who could create new jobs, but instead are paralyzed by the uncertainty of new regulations combined with a higher tax liability in the future. By preserving this tax relief, we can create the economic stability that promotes job growth.”
Without this bill, much of the tax relief passed in 2001 and 2003 will expire at the end of the year, generating the largest single tax increase in American history. All Americans, rich and poor, will owe more.
more »
Tahoe fire restoration focuses on long term
By Jeff Delong, (Reno Gazette-Journal) The San Jose Mercury News, April 17, 2010 [here]
South Lake Tahoe, California - When the Cain family rebuilt their Tahoe Mountain home, leveled during the Angora Fire of June 2007, most windows were installed facing east. In that direction, many trees survived, their trunks scarred by fire, but with canopies now green with healthy needles.
To the west, looking toward Angora Ridge, the forest is dead. Bare tree trunks rise from the snow like huge, blackened toothpicks.
“Up there it’s terrible,” said Julie Cain, 42. “We only have one window looking out there.”
Nearly three years after the wind-whipped inferno charred nearly 5 square miles and destroyed 254 homes, signs of Lake Tahoe’s largest, most destructive wildfire are everywhere.
Much work has been accomplished on the fire-scarred landscape, but the federal government is embarking on a long-term effort to restore the forest.
The idea isn’t to return it to what it was before the blaze: an overgrown tinderbox, dominated by white fir and Jeffrey pine, that sprung up in the wake of Comstock-era clear-cutting, livestock grazing and other human-related changes dating back nearly 150 years.
Instead — in a process that will take years and cost up to $15 million — the U.S. Forest Service wants to bring back a healthier forest with a mix of Jeffrey and Sugar pine, incense cedar and red fir. It would be a forest more resistant to drought and insect attack and less susceptible to fire.
Portions of Angora Creek — where the fire raced through thick vegetation to rocket into neighborhoods — will be reconstructed.
And Seneca Pond — the site of a 1960s hippie commune and where a carelessly abandoned campfire started the disastrous blaze — will be altered from a swimming hole to a natural wetlands area that will help filter out sediment now flowing into Lake Tahoe, providing important habitat for wildlife at the same time.
“Our strategy is looking at the ecosystem as a whole,” said Duncan Leao, a forester and planner for the Forest Service’s Tahoe unit. “We’re looking at the future sustainability of the forest. Overall, the project will have a long-term benefit.” … [more]
Thanks for the news tip to Julie Kay Smithson of Property Rights Research [here, here]
26 Percent of JoCo on Food Stamps
Rogue Pundit, April 16, 2010 [here]
Oregon’s official unemployment rate is 10.5 percent. Roughly 18.2 percent of our 3.8 million residents are on food stamps.
Statewide, there were 696,306 people receiving food assistance, an increase of 23 percent from a year ago, and a 44 percent increase since July 2008, when Oregon’s unemployment rate was last below 6 percent.
In March alone, the cost of food assistance exceeded $88 million statewide…
The unemployment in Josephine County was 12.4 percent in February. Only three counties in the state had higher rates: Crook, Douglas, and Harney. Despite a net loss of 80 jobs, the unemployment rate here declined from 13.0 percent in January. Following that theme, despite a net loss of 580 jobs over the last year, the unemployment rate declined from 13.7 percent last February. Too many people are dropping off the unemployment rolls for the wrong reasons.
In Josephine County, 21,614 people received food assistance, or 26 percent of the county’s 83,000 residents. … [more]
Note: This article is filed under Forest News because Josephine used to be a major forest products producer. The forests are still there, but they are owned by the Federal government and now off limits to any activity except catastrophic fire.
The Cooling of Greenland over the past 8000 Years
The Hockey Schtick, April 10, 2010 [here]
A 2009 paper[1] plots GISP2 paleoclimate icecore data from central Greenland over the past 8000 years, finding at least 6 periods of warming exceeding that of the 20th century. In addition, the rate of warming 900-1000 AD leading up to the Medieval Warming Period exceeds the rate of warming in the 20th century. The authors find close agreement between two analysis methods of the temperature proxies for GISP2 data, stable isotope analysis[2] and Oxygen 18/16 variability[3]. The Medieval, Roman, and Minoan warming periods are all found to be hotter than the 20th century, in addition to other unnamed periods of warming over the past 8000 years.
If you look at this graph in detail, you can see that the retreat in the period 1929-1953 (24 years) was faster than in 1953-2003 (50 years).
Thus all together, the retreat of Greenland ice is the result of global warming at least since 1850, and the retreat was faster around 1930-1940 than today, when GHGs were not playing any important role.
Moreover, the summer temperatures around Greenland in recent years (still) are slightly less than in the 1935-1950 period.
[1] Florides GA, Christodoulides P Global warming and CO2 through sciences. Environ Int. 2009 Feb 35(2):390-401.
[2] Alley RB. GISP2 ice core temperature and accumulation data. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series #2004-013. NOAA/NGDC Paleoclimatology Program, Boulder CO,USA;2004.
[3] Grootes PM, Stuiver M. Oxygen 18/16 variability in Greenland snow and ice with 10^3 to 10^5-year time resolution. JGeophysRes1997;102:26455–70
Improving Tax Policy Will Expand Renewable Biomass Energy
Dan Whiting, National Alliance of Forest Owners, April 14, 2010 [here]
WASHINGTON, DC — The National Alliance of Forest Owners (NAFO) submitted a statement for the House Ways and Means Committee’s hearing on “Energy Tax Incentives Driving the Green Job Economy.” NAFO told the Committee that the U.S. is not achieving its full domestic, low carbon, renewable energy potential because current tax policy disadvantages open-loop biomass energy compared to other renewable energy sources, such as wind and geothermal. NAFO urged the Committee to enact legislation to treat biomass consistently with other renewable energy sources in the tax code.
David P. Tenny, President and CEO of NAFO, highlighted the need for renewable biomass energy, “Tax policy must support forest biomass energy as an essential means of achieving our renewable energy goals. Forest biomass provides a critical source of base load energy to complement intermittent sources, like wind and solar, and is the only viable renewable energy source in many parts of the country. Putting all renewable energy sources on a level playing field in the tax code will enable us to develop the resources that are best suited to, and most economic for, each area of the country.”
NAFO’s statement to the Committee highlighted its support of H.R. 2626, introduced by Representatives Meek, D-17-Fla, and Herger, R-2-Calif., which would equalize tax credit rates for all renewable technologies under the Section 45 Production Tax Credit. Biomass is presently eligible for 50 percent of the tax credit available to other sources, such as wind and geothermal. Tenny underscored how the market responds, “In too many cases renewable electricity projects are selected based more on the comparative value of the tax credit than on the viability of the technology for the region. Congress should equalize tax policy so that project decisions can better focus on optimizing renewable energy production through the most viable energy source.”
Tenny also highlighted its benefits, “Scientists and other federal and private sector experts recognize that sustainable production of forest biomass energy is critical to realizing our greenhouse gas reduction goals, because it recycles atmospheric carbon rather than adding to it. In addition, it is sustainable, domestic, and renewable. The tax code should support what the experts have told us.”
NAFO’s full statement(PDF) is available [here] in addition to two papers on the sustainability of private U.S. forests: NAFO’s Advocacy Position on Sustainability [here] and Environmental Regulation of Private Forests in the U.S. [here].
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NAFO is an organization of private forest owners committed to advancing federal policies that promote the economic and environmental values of privately-owned forests at the national level. NAFO membership encompasses more than 75 million acres of private forestland in 47 states. View NAFO’s interactive map [here] to see the economic impact of America’s working forests.
UN’s Climate Bible Gets 21 “F”s on Report Card
by Donna Laframboise, No Consensus, 14 April 2010 [here]
TORONTO — 21 of 44 chapters in the United Nations’ Nobel-winning climate bible earned an F on a report card released today. Forty citizen auditors from 12 countries examined 18,500 sources cited in the report – finding 5,600 to be not peer-reviewed.
Contrary to statements by the chairman of the Intergovernmental Panel on Climate Change (IPCC), the celebrated 2007 report does not rely solely on research published in reputable scientific journals. It also cites press releases, newspaper and magazine clippings, student theses, newsletters, discussion papers, and literature published by green advocacy groups. Such material is often called “grey literature.”
“We’ve been told this report is the gold standard,” says Canadian blogger Donna Laframboise, who organized the online crowdsourcing effort to examine the references. “We’ve been told it’s 100 percent peer-reviewed science. But thousands of sources cited by this report have been nowhere near a scientific journal.”
Based on the grading system used in US schools, 21 chapters in the IPCC report receive an F (they cite peer-reviewed sources less than 60% of the time), 4 chapters get a D, and 6 get a C. There are also 5 Bs and 8 As. … [more]
ClimateGate Whitewash
By S. Fred Singer, American Thinker, April 14, 2010 [here]
There is now a desperate effort afoot by assorted climate alarmists to explain away the revelations of the incriminating e-mails leaked last year from the University of East Anglia (UEA). A concerted whitewash campaign is in full swing to save the IPCC and its questionable conclusion that the warming of the last thirty years is anthropogenic. But ongoing investigations so far have avoided the real issue, namely whether the reported warming is genuine or a manufactured result by scientists in England and the United States who manipulated temperature data.
Senator James Inhofe (R-OK) has repeatedly characterized anthropogenic global warming (AGW) as a “hoax” — and he may soon be vindicated. Certainly, the remedies invoked to “fight” AGW are a cruel hoax — mainly a tax burden on low-income households who will pay more for electricity, food, transportation, and other necessities of life. … [more]
Younger Dryas Megafauna Extinction Comet Theory Discounted
Clovis Mammoth Hunters: Out With a Whimper or a Bang?
ScienceDaily, Apr. 12, 2010, [here]
A team of researchers from the University of Arizona has revisited evidence pointing to a cataclysmic event thought by many scientists to have wiped out the North American megafauna — such as mammoths, saber tooth cats, giant ground sloths and Dire wolves — along with the Clovis hunter-gatherer culture some 13,000 years ago.
The team obtained their findings following an unusual, multidisciplinary approach and published them in the Proceedings of the National Academy of Sciences (PNAS).
“The idea of an extraterrestrial impact driving the Pleistocene extinction event has recently caused a stir in the scientific community,” said C. Vance Haynes, a professor emeritus at UA’s School of Anthropology and the department of geosciences, who is the study’s lead author. “We systematically revisited the evidence for an impact scenario and discovered it just does not hold up.” …
When the last ice age came to an end approximately 13,000 years ago and the glaciers covering a large portion of the North American continent began melting and retreating toward the north, a sudden cooling period known as the “Big Freeze” or, more scientifically, the Younger Dryas, reversed the warming process and caused glaciers to expand again. Even though this cooling period lasted only for 1,300 years, a blink of an eye in geologic timeframes, it witnessed the disappearance of an entire fauna of large mammals.
The big question, according to Haynes, is ‘Why did those animals go extinct in a very short geological timeframe?’”
“When you go out and look at the sediments deposited during that time, you see this black layer we call the Black Mat. It contains the fossilized remains of a massive algae bloom, indicating a short period of water table rise and cool climate that kept the moisture in the soil. Below the Black Mat, you find all kinds of fossils from mammoths, bison, mastodons, Dire wolves and so forth, but when you look right above it — nothing.”
Scientists have suggested several scenarios to account for the rapid Pleistocene extinction event. Some ascribe it to the rapid shift toward a cooler and dryer during the “Big Freeze,” causing widespread droughts.
Haynes disagrees. “We find evidence of big changes in climate throughout the geologic record that were not associated with widespread extinctions.” …
The two attempts to account for the mass extinction event prevailing at this point include humans and celestial bodies. Many deem it possible that humans such as the Clovis culture hunted the Pleistocene mammals to extinction, as proposed by UA Professor Emeritus Paul S. Martin [here].
Alternatively, it is thought that a comet or asteroid slammed into the glaciers covering the Great Lakes area, unleashing firestorms that consumed large portions of vegetation. In addition, the dust and molten rock kicked up high into the atmosphere during the impact could have shrouded the Earth in a nuclear winter-like blanket of airborne dust, blocking sunlight and causing temperatures to plummet. …
“Something happened 13,000 years ago that we do not understand,” said Haynes. “What we can say, though, is that all of the evidence put forth in support of the impact scenario can be sufficiently explained by earthly causes such as climate change, overhunting or a combination of both.”
Does this mean the results obtained by Haynes and his coworkers rule out the possibility of a cosmic event?
“No, it doesn’t,” Haynes said. “It just doesn’t make it very likely.” … [more]
New DNR study hopes to settle debate surrounding deer predators
by RON SEELY madison.com, April 12, 2010 [here]
The number of gray wolves in Wisconsin has grown to nearly 700, prompting concerns among hunters about predation on the deer herd.
Hunters and wolves in Wisconsin share an uneasy history, and the problem is that they like to do the same thing - kill and eat deer.
The numbers of deer killed by hunters each year is well known; they shot about 196,000 during last fall’s nine-day gun deer season. But despite the speculation one might hear from a barstool at a rural tavern, the full extent of the wolf’s impact on the state’s more than 1 million deer has never moved beyond anecdote.
Now, however, science will be brought to bear on that question: How many whitetail deer in northern and central Wisconsin are killed by wolves, bears and even bobcats and coyotes?
The state Department of Natural Resources, working with researchers from the UW-Madison, has embarked on a multi-year, $1.2 million study that will track hundreds of bucks and fawns to see how they die. … [more]
Note: Does God look down on the boys in the barroom, mainly forsaken but surely not judged? Jacks, kings, and aces their faces in wine. Do, Lord, deliver our kind. — Robert Hunter
Floridians Mind-Boggled By Cold
Weird winter weather creates struggle for some Everglades wildlife, other species thrive
[Note: if it's unusually cold it's weather; if it's hot, that's climate]
By ERIC STAATS, NaplesNews.com, April 10, 2010 [here]
NAPLES — The water tables have turned at Corkscrew Swamp Sanctuary this winter.
“To think of where we were, and then now, it’s unbelievable,” the sanctuary’s manager Ed Carlson said. “It boggles our minds.”
Water gauges at the sanctuary’s Lettuce Lake had bottomed out this time last year, but now the lake, at about 3 feet deep, has more water in it than it did at the end of last year’s rainy season.
The rhythm of the rain at the natural wonderland off Immokalee Road in northern Collier County is off a beat or two _ and it’s thrown off Mother Nature’s timing.
All over South Florida, the winter of weird weather has made its mark.
Wading birds: Cold and hungry
Thousands of wading birds have foregone nesting this year throughout the northern Everglades, South Florida Water Management District senior scientist Mark Cook said.
“Perhaps they’re just too hungry to be sitting on their nests,” he said. … [more]
Note: If Floridians get any stupider Gaia may need to drown them as an act of mercy.
Ancient Americans took cold snap in their stride
e! Science News, April 12, 2010 [here]
Paleoindian groups occupied North America throughout the Younger Dryas interval, which saw a rapid return to glacial conditions approximately 11,000 years ago. Until now, it has been assumed that cooling temperatures and their impact on communities posed significant adaptive challenges to those groups. David Meltzer from the Southern Methodist University in Dallas, USA, and Vance Holliday from the University of Arizona in Tucson, USA, suggest otherwise in their review of climatic and environmental records from this time period in continental North America, published in Springer’s Journal of World Prehistory. From their analysis, they conclude that on the Great Plains and in the Rocky Mountains, conditions were in reality less extreme and therefore may not have measurably added to the challenge routinely faced by Paleoindian groups, who during this interval, successfully dispersed across the diverse habitats of Late Glacial North America.
Meltzer and Holliday question whether the impact of cooling on Pleistocene North Americans was actually that pronounced or widespread and, if it was, whether it was similarly abrupt and severe, and in the same direction, across North America. Their comprehensive review of the climate and environment of North America during that time and its possible impact suggests that the Young Dryas age cooling was not as sudden, extensive, or severe as has previously been suggested and the notion that these conditions may have taken the Paleoindians by surprise is questionable.
The authors conclude: “All things considered, it is likely that across most of North America, south of the retreating ice sheets, Paleoindians were not constantly scrambling to keep up with Younger Dryas age climate changes. After all, adapting to changing climatic and environmental conditions was nothing new to them – it was what they did.”
Glacier Melt Has Nothing To Do With CO2
Pilgrimage to Montana
By Steven Goddard, Watts Up With That, April 12, 2010 [here]
Now that Arctic ice area is normal, Antarctic ice area is normal, sea level rise is failing to accelerate, temperatures are below all of Hansen’s scenarios, and the IPCC has proven itself to be untrustworthy – where can the CAGW religion go? Simple — Montana!…
The USGS has a good article titled “History of Glaciers in Glacier National Park” [here]. … They suggest that the current glaciers mainly formed during the LIA (Little Ice Age)
These modest glaciers varied in size, tracking climatic changes, but did not grow to their Holocene maximum size until the end of the Little Ice Age (LIA) around A.D. 1850. While they may not have formed in their entirety during the LIA, their maximum perimeters can be documented through mapping of lateral and terminal moraines.
The size of the glaciers in 1850 was an anomaly during the Holocene:
Climate reconstructions representative of the Glacier National Park region extend back multiple centuries and show numerous long-duration drought and wet periods that influenced the mass balance of glaciers (Pederson et al. 2004). Of particular note was an 80-year period (~1770-1840) of cool, wet summers and above-average winter snowfall that led to a rapid growth of glaciers just prior to the end of the LIA. Thus, in the context of the entire Holocene, the size of glaciers at the end of the LIA was an anomaly of sorts. In fact, the large extent of ice coverage removed most of the evidence of earlier glacier positions by overriding terminal and lateral moraines.
The current glaciers started to recede long before the invention of the SUV.
Tree-ring based climate records and historic photographs indicate the initiation of frontal recession and ice mass thinning between A.D. 1860 and 1880.
“Dramatic recession” occurred between 1917 and 1941. This was before the invention of the Hummer and the Soccer Mom. …
Summer temperatures in Montana have not changed for over the past 80 years. Summer is when the snow melts.
Winter precipitation has not changed in Montana since 1930. Winter is when the snow falls.
Conclusion: there is little if any evidence tying the changes in Montana glaciers to CO2. Glaciers were a mile deep there during the last ice age, and have been receding and growing in cycles ever since. They may have been completely gone after the MWP [Medieval Warm Period] and reformed during the LIA. Once again, climate alarmists have chosen a flawed poster child. … [more]
IPCC Errors, Distortions and Exaggerations
Global Warming Questions Google Site [here]
IPCC Criticism
The Intergovernmental Panel on Climate Change (IPCC) officially released its Fourth Assessment Report (AR4) in 2007. This document is often regarded as the definitive word on the science behind global warming. However, AR4 gives a distorted, misleading, biased and often erroneous picture. Examples of these distortions are listed here, with attention focused on the Working Group 1 Report “The Physical Science Basis” (WG1), and in particular its Summary for Policymakers (SPM). Curiously, the SPM was released in February 2007, several months before the main report. Confusingly, a “Synthesis Report” was issued in November 2007, with its own SPM. More background to the structure of the IPCC report is given [here].
Errors, distortions and exaggerations in the WGI Report
1. How the IPCC invented a new calculus. The IPCC authors invented a new way of measuring the slope of a graph, in order to create the false impression that global warming is accelerating.
2. The table that didn’t add up. The WG1 SPM was approved by the IPCC even though it contained a table with arithmetic errors. The table was quietly corrected with no admission of the error.
3. False statement about Antarctic sea ice. The IPCC claims that there is no significant trends in Antarctic sea ice. In fact several papers (ignored by the IPCC) show a significant positive trend.
4. Misleading claims about sea level rise. AR4 gives the misleading impression that the rate of sea level rise is increasing, using the trick of switching from one measurement system (tide gauges) to another (satellites).
5. Incorrect calculation of an average. An arithmetic error was made in the calculation of an average of a contribution to radiative forcing. Hence four diagrams in AR4 are wrong and misleading.
6. False claims about Antarctic ice sheet. The IPCC claims that the Antarctic ice sheet is melting and that this is contributing to sea level rise, but recent research papers show that in fact the ice sheet is thickening.
7. Dubious claims about Greenland ice sheet. The IPCC claims that the Greenland ice sheet is melting and causing sea level to rise - ignoring or misrepresenting research that shows the opposite.
8. Erroneous claims about snow cover. The IPCC makes the false claim that snow cover is decreasing in both hemispheres.
9. Exaggerated claims about water vapour. The IPCC summary claims that water vapour has increased. In fact studies show no significant trend or in some cases a decrease.
10. Erroneous claims on increased tropical cyclone activity. The IPCC states that tropical cyclones have increased, but research papers find no evidence of this.
11. The IPCC contradicts itself over the medieval warm period. The IPCC’s own data shows clear evidence that the medieval warm period was as warm as the late 20th century, but the text states the opposite.
12. False statement about paleoclimate studies. The IPCC claims that there is increased confidence in proxy temperature reconstructions, but in fact the opposite is the case.
13. Proxies that aren’t proxies. The IPCC makes use of ‘proxy’ data such as tree rings to justify their claim that current temperatures are unusual - but this data doesn’t match measured temperature.
14. Downplaying the urban heat island effect. The IPCC significantly underestimates the influence of the fact that many temperature measurement sites are located in cities.
15. The UN misquotes its own report. A UN press release coinciding with the release of AR4 blatantly misquoted the report, incorrectly claiming that man-made global warming was unequivocal…
Note: See all 54 (actually there are many more than) errors distortions and exaggerations in the IPCC Fourth Assessment Report (AR4) [here]