Originals
Response of Various Marine Animals to Ocean Warming Print E-mail
Written by Staff   
Thursday, 24 July 2014 10:24

According to the IPCC, CO2-induced global warming will be net harmful to the world's marine species. This summary examines this hypothesis for various marine animals, presenting evidence in opposition to the IPCC's point of view.



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Medieval Warm Period in Central Europe Print E-mail
Written by Staff   
Thursday, 24 July 2014 10:16

Was there really a global Medieval Warm Period? The IPCC used to acknowledge there was; but they have long since changed their view on the subject. Mounting evidence, however, suggests they were wrong to do so; and in this summary, new and important data from Central Europe that support their original belief are described and discussed.



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Growth Response of Grassland Species to Elevated C02 When Water Stressed Print E-mail
Written by Staff   
Tuesday, 15 July 2014 17:38

As the air's CO2 content continues to rise, nearly all of earth's plants should exhibit increases in photosynthesis and biomass production; but climate alarmists periodically claim that water stress will negate these benefits. In reviewing the scientific literature of the ten-year period 1983-1994, however, Idso and Idso (1994) concluded that water stress will not negate the CO2-induced stimulation of plant productivity. In fact, they discovered that the CO2-induced percentage increase in plant productivity was nearly always greater under water-stressed conditions than it was when plants were well-watered. And seven years later, Poorter and Perez-Soba (2001)[1] conducted a similar literature review and came to the same conclusion. In this summary, therefore, we provide some background for this phenomenon and highlight some of the most impressive work that has subsequently been done in this area.



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Effects of Increased C02 on Herbaceous Plant Pests Print E-mail
Written by Staff   
Friday, 04 July 2014 07:54

Kerslake et al. (1998)[1] grew five-year-old heather (Calluna vulgaris) plants that they collected from a Scottish moor within open-top chambers maintained at atmospheric CO2 concentrations of 350 and 600 ppm, where at two different times during the study, larvae of the destructive winter moth Operophtera brumata - whose outbreaks periodically cause extensive damage to heather moorland - were allowed to feed upon current-year shoots. Interestingly, feeding upon the high-CO2-grown foliage did not affect larval growth rates, development or final pupal weights; neither was moth survivorship significantly altered. Hence, the three researchers concluded that their study provided "no evidence that increasing atmospheric CO2 concentrations will affect the potential for outbreak of Operophtera brumata on this host." What it did show, however, was a significant CO2-induced increase in heather water use efficiency.



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Medieval Warm Period in Northern Europe Print E-mail
Written by Staff   
Wednesday, 25 June 2014 16:51

Was there really a global Medieval Warm Period? The IPCC used to acknowledge there was; but they have long since changed their view on the subject. Mounting evidence, however, suggests they were wrong to do so; and in this summary, both old and new important data from Northern Europe that support their original belief are described and discussed.



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Loblolly Pines Defy the Progressive Nitrogen Hypothesis Print E-mail
Written by Staff   
Thursday, 19 June 2014 16:00

As part of one of the most outstanding of such studies ever to be conducted, Finzi and Schlesinger (2003)1 measured and analyzed pool sizes and fluxes of inorganic and organic nitrogen in the forest floor and top 30 cm of mineral soil during the first five years of differential atmospheric CO2 treatment of a stand of initially 13-year-old loblolly pine trees at the Duke Forest FACE facility in the Piedmont region of North Carolina (USA), where half of the experimental plots were maintained at an atmospheric CO2 concentration approximately 200 ppm above ambient. Under these conditions, they found that the extra CO2 significantly increased the input of carbon (C) and nitrogen (N) to the forest floor, as well as to the mineral soil in which the trees were growing.



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Response of Crustaceans to Ocean Warming Print E-mail
Written by Staff   
Friday, 13 June 2014 13:38

According to Storch et al. (2009)[1], "temperature is often invoked as the main determinant of distribution ranges and boundaries for marine and terrestrial species," and they note the larval stages of many marine species "are more vulnerable to thermal and osmotic stresses than adults." Consequently, they explored the rigidity of this temperature determinant of livable range for the Chilean kelp crab (Taliepus dentatus) in its most temperature-sensitive larval state.



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Energy Inefficiencies of Biofuels Print E-mail
Written by Staff   
Wednesday, 04 June 2014 00:00

How efficient is it to produce energy from biofuels-is it more, less, or about the same as from traditional fossil fuels? This mini review summarizes what several scientists have learned when investigating this topic.



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Response of Marine Plants to Changes in Temperature Print E-mail
Written by Staff   
Friday, 30 May 2014 16:54

According to the IPCC, CO2-induced global warming will be net harmful to the world's marine species. One consequence of such harm, is a projected decline in ocean productivity. And in light of what the IPCC frequently refers to as the unprecedented modern rise in global temperature, it might reasonably be expected there should already be signs of a major negative impact on oceanic productivity. Yet the studies highlighted in this summary yield little evidence in support of the IPCC point of view.



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Biofuels: The Carbon Debt They Owe Print E-mail
Written by Staff   
Wednesday, 21 May 2014 00:00

In an article entitled "Land Clearing and the Biofuel Carbon Debt," Fargione et al. (2008)[1] explore what happens when non-agricultural lands are cleared for the growing of biofuel crops. In addition to the destruction of precious habitat needed to support what could be called "wild nature," this process releases large amounts of CO2 to the atmosphere due to the burning and microbial decomposition of organic carbon stored in plant biomass and soils. And this initial "carbon debt" must be repaid before there is any net reduction in CO2 emissions from the use of the biofuel crops grown on the newly-cleared land.



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