Solar Influence on Global Temperature Print E-mail
Written by Staff   
Wednesday, 24 April 2013 18:15

The claim that anthropogenic greenhouse gas emissions have been responsible for the warming detected in the twentieth century is based on what Loehle (2004)[1] calls "the standard assumption in climate research, including the IPCC reports," that "over a century time interval there is not likely to be any recognizable trend to global temperatures (Risbey et al., 2000), and thus the null model for climate signal detection is a flat temperature trend with some autocorrelated noise," so that "any warming trends in excess of that expected from normal climatic variability are then assumed to be due to anthropogenic effects." If, however, there are significant underlying climate trends or cycles-or both-either known or unknown, that assumption is clearly invalid.



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Evidence of a Medieval Warm Period in Antarctica Print E-mail
Written by Staff   
Wednesday, 10 April 2013 19:48

Was there a Medieval Warm Period somewhere in the world in addition to the area surrounding the North Atlantic Ocean, where its occurrence is uncontested? This question is of utmost importance to the ongoing global warming debate, for if the Medieval Warm Period is found to have been a global climatic phenomenon, and if the locations where it occurred were as warm in medieval times as they are currently, there is no need to consider the temperature increase of the past century as anything other than the natural progression of the persistent millennial-scale oscillation of climate that regularly brings the earth several-hundred-year periods of modestly higher and lower temperatures that are totally independent of variations in atmospheric CO2 concentration. Consequently, we here review the findings of several studies that have found evidence for the Medieval Warm Period in a region that is as far away from lands bordering on the North Atlantic Ocean as one could possibly get, i.e., Antarctica.



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Analysis of US and State-by-State Carbon Dioxide Emissions & Potential "Savings" in Future Global Temperature & Global Sea Level Rise Print E-mail
Written by Paul Knappenberger   
Wednesday, 10 April 2013 00:00

Using assumptions based on the Intergovernmental Panel on Climate Change (IPCC) Assessment Reports*, if the U.S. as a whole stopped emitting all carbon dioxide (CO2) emissions immediately, the ultimate impact on projected global temperature rise would be a reduction, or a “savings,” of approximately 0.08°C by the year 2050 and 0.17°C by the year 2100—amounts that are, for all intents and purposes, negligible.



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Storm Trends Across the North Atlantic Ocean Print E-mail
Written by Staff   
Wednesday, 27 March 2013 00:00

One of the projected consequences of CO2-induced global warming is an increase in all types of extreme weather, including storms. A good test of the validity of this hypothesis comes from evaluating trends in storminess over the period of time when the Earth was recovering from the global chill of the Little Ice Age and transiting into the Current Warm Period, when the world's climate alarmists contend the planet experienced a warming that was unprecedented over the prior one to two millennia. In the present section, these claims are evaluated as they pertain to storms over of the North Atlantic Ocean.



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Drought Trends Across the Eastern United States Print E-mail
Written by Staff   
Friday, 22 March 2013 16:17

Based on computer model projections, climate alarmists are concerned that global warming will usher in a period of more frequent and intense drought. Such concern is herein investigated as it pertains to the eastern portion of the United States.



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Storm Trends Across North America Print E-mail
Written by Staff   
Thursday, 14 March 2013 16:23

Among the highly publicized doom-and-gloom scenarios that climate alarmists allege to attend the ongoing rise in the air's CO2 content are predicted increases in the frequency and severity of storms. As a result, and in an effort to determine if these predictions have any validity, many scientists are examining historical and proxy storm records in an attempt to determine how temperature changes of the past millennium have impacted this aspect of Earth's climate. This summary reviews what some of them have learned about various storm trends across North America.



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Historical Response of Heat Waves to Global Air Temperature Print E-mail
Written by Staff   
Thursday, 07 March 2013 13:02

In response to an increase in mean global air temperature, the world's climate alarmists contend there will be more frequent and stronger extremes of various weather phenomena, including what would seem almost assured: more frequent and extreme high temperatures and heat waves. But is this really so?



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Drought Trends Across the Western United States Print E-mail
Written by Staff   
Thursday, 07 March 2013 12:14

Climate alarmists contend that rising global temperatures lead to more severe and longer-lasting droughts on the basis of projections of global climate change produced by mathematical models that are primarily driven by increases in the atmosphere's CO2 concentration; and with respect to the western United States, there has been growing interest in understanding drought in that part of the country in light of the pronounced impact it has had there in recent decades. Therefore, many scientists have conducted research to attempt to better understand the characteristics of historic hydrologic variability in this important region, so that a more proper evaluation can be made of how unusual, unnatural or unprecedented droughts of the recent past have been, which droughts climate alarmists typically claim have been made worse - or even been entirely caused - by CO2-induced global warming. In the following pages, this claim is evaluated by reviewing what scientists have learned in this regard from various studies that have examined historic droughts across the western United States, organizing our review into several sub-domains within the overall region of study.



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Drought Trends in the Northern Great Plains, USA Print E-mail
Written by Staff   
Wednesday, 20 February 2013 16:10

The United States' Northern Great Plains is an important agricultural region of North America, providing a significant source of grain both locally and internationally. Because of its location, it is also susceptible to extreme droughts that tend to persist longer than in any other region of the country (Karl et al., 1987; Soule, 1992); and because of this fact, it is a good place to review the history of drought to determine if the region is presently experiencing a manifestation of the climate-alarmist claim (Gore, 2006; Mann and Kump, 2008) that global warming will usher in a period of more frequent and intense drought.



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Precipitation Variability in Europe Print E-mail
Written by Staff   
Wednesday, 20 February 2013 16:00

Climate alarmists contend that global warming is responsible for creating more frequent and greater extremes of various types of weather. This summary investigates this claim as it pertains to precipitation variability in Europe.



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Historical Trends of Atlantic Basin Tropical Cyclones Print E-mail
Written by Staff   
Tuesday, 12 February 2013 10:49

Has the warming of the past century, which rescued the world from the extreme cold of the Little Ice Age, led to the yearly formation of more numerous Atlantic Basin tropical storms and hurricanes? This question is investigated here via a brief review of several studies that have broached this question with sufficiently-long databases to provide reliable answers.



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Historical Flood Trends in Europe Print E-mail
Written by Staff   
Tuesday, 12 February 2013 10:46

Knowledge of the past is an important ingredient of any recipe for accurately predicting the future. If one desires to know how flood characteristics might change if the Earth continues its post-Little Ice Age warming, for example, it would be advisable to determine how these flood properties may have changed during prior periods of warming and/or cooling in Earth's history. Hence, we here review several studies of this nature based on data collected in Europe.



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Precipitation Variability in Asia Print E-mail
Written by Staff   
Tuesday, 12 February 2013 10:08

Climate alarmists contend that global warming is responsible for creating more frequent and greater extremes of various types of weather. This summary investigates this claim as it pertains to precipitation variability in Asia.



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Effects of Atmospheric C02 Enrichment on Wood Density Print E-mail
Written by Staff   
Friday, 18 January 2013 21:29

Numerous experiments have demonstrated that trees grown in air enriched with CO2 nearly always sequester more biomass in their trunks and branches than do trees grown in ambient air. Several studies have also looked at the effects of elevated CO2 on the density of that sequestered biomass, some of which are summarized here.



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Drought Trends in Asia Print E-mail
Written by Staff   
Friday, 18 January 2013 21:24

Climate alarmists typically contend that in response to global warming, both droughts and floods become more frequent and severe. It is therefore important to determine if long-term precipitation data from various places throughout the world provide any evidence for this phenomenon, which should be evident -- if the climate-alarmist contention is true -- over the period of time when the planet transited from the coldest interval of the current interglacial period (the Little Ice Age) to the end of the 20th century, by which time they claim the earth had warmed at a rate and to a level that was unprecedented over the past one to two millennia. Herein we thus explore such real-world data as it pertains to Asia, starting with a review of what researchers have found for China.



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No Global Warming for Almost Two Decades Print E-mail
Written by Christopher Monckton of Brenchley   
Tuesday, 15 January 2013 09:32

The Science and Public Policy Institute has been asked to comment on the apparent inconsistency between the news that July 2012 was the warmest July since 1895 in the contiguous United States and the news that the Meteorological Office in the UK has cut its global warming forecast for the coming years. The present paper is a response to that interesting question.



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Droughts in South America Print E-mail
Written by Staff   
Thursday, 03 January 2013 15:23

Based on model projections, climate alarmists contend that global warming should lead to both more frequent and more extreme weather phenomena, such as droughts and floods. It is important, therefore, to search for real-world evidence of these phenomena, especially over the past century when temperatures and CO2 concentrations rose to levels that climate alarmists claim are unprecedented over thousands of years (temperature) to millions of years (CO2 concentration). In the present summary, we thus examine what researchers have found in this regard for South America.



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Storm Trends Across the Globe Print E-mail
Written by Staff   
Thursday, 03 January 2013 14:57

Among the highly publicized changes in weather phenomena that are predicted to attend the ongoing rise in the air's CO2 content and temperature are increases in the frequency and severity of all types of storms; and, therefore, in an effort to determine if these predictions have any validity, many researchers have examined pertinent historical and proxy weather records. Although most of these studies focus on storms trends for a given location or region, there have been a few of them that have attempted to examine the issue for the globe as a whole; and in this review we examine what those studies found.



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Rising Temperatures and Tropical Cyclones in the Atlantic Basin Print E-mail
Written by Staff   
Thursday, 03 January 2013 14:05

Climate alarmists continue to claim that rising temperatures lead to ever more intense Atlantic Basin hurricanes. But are they correct? We here review the results of a number of studies that are germane to this question.



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Expert Reviewer Comments on Second-Order Draft of WG1's Contribution to AR5 Print E-mail
Written by Christopher Monckton of Brenchley   
Thursday, 03 January 2013 00:00

Expert Reviewer’s Comments on the Second-Order Draft of the Contribution of the Climate Science Working Group (WG1) to the Fifth Assessment Report (AR5, 2013) of the Intergovernmental Panel on Climate Change.



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