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Global Warming Explained
Climate forecasts
What is wrong with the forecasts
The solar constant
The Little Ice Age
Is the Earth warming up or not?
Tree rings
Droughts, sand dunes, and wells that dry up
Greenhouse gases
Glaciers, polar ice and rising oceans
If only we had a bit of global warming

Global Warming Explained

If greenhouse gases are bad, how come rising CO2 levels increase agricultural productivity?

What about greenhouse gases?  Plenty of evidence from numerous studies indicates that the Earth has far more capacity to absorb greenhouse gases than the IPCC gives it credit for, many times more, and that additional CO2 will actually be beneficial to farming, both in the quantity and the quality of crops that can be raised.

Dr. Landscheidt identified in his report that the atmospheric CO2 concentrations appear to follow with a six month time lag variations in solar activity and corresponding temperature variations.  That would indicate that increases in CO2 concentration are caused by atmospheric warming resulting from solar activity, not that increases in the CO2 content of the atmosphere cause warming (or the heating-up of the sun).  With warmer weather the sea water warms up.  When that happens, CO2 is released by the sea water.  
   Try it sometimes with two glasses of pop.  Put one in a pot of water and warm it up a bit.  Put the other in the fridge.  When the pop in the warm water bath has no more fizz left, check the one in the fridge to see whether it still has any.  Moreover, when the climate warms up, plants absorb more CO2, grow better and therefore produce more oxygen.   
   However, none of that matters to the IPCC, Suzuki and cohorts.  Never mind that in the past, CO2 levels in the atmosphere have at times been 20 times or more than what they are now. That those levels were much higher than now is a good thing, or else we would not have any coal to burn now, most likely no oil either.  Would that be good?  Maybe, if we want to return to the way of life our great-grandparents led.  Then we would have to walk through the horse manure in the streets to pick up a pint or so of whale oil for our lamps, instead of ducking from the horse manure that is being launched at us with the help of the media, both in print and on TV.

The Fraser Institute's Global Warming — A Guide to the Science shows "that current estimates from climate models of global temperature changes owing to increased concentration of  atmospheric CO2 remain highly uncertain."10

The calculations done by General Circulation Models (GCMs) are the main source of the information that fuels the global warming hysteria.  Nevertheless, not one of them comes acceptably close to accurately calculating what the climate presently is at any location, let alone of the whole Earth.  Not only that, but all of the GCMs differ widely from one another as to what the climate was in the past, and as to what it is supposed to be in the future.

Therein lies the problem.  No one in his right mind will base any decisions about the future on tools that cannot determine with acceptable accuracy what the present is and the past was.

Nigel Calder is one of many reputable climatologists who try to counter the loud voices of snake-oil salesmen who are far less qualified to utter sensible opinions about climate trends.  He demonstrated that "The Sun sets the level of carbon dioxide in the Earth's atmosphere by the cumulative effect of variations in the galactic cosmic rays reaching the Earth, as modulated by the variable solar wind."(11)

As Nigel Calder explained and proved, during periods of high solar activity the resulting increases in the solar wind modulate the magnetic field enveloping the Earth.  As a result of that not only does the Earth receive more radiation from the Sun during periods of high solar activity but also increased cosmic radiation during periods of low solar activity.  Increases in solar radiation cause CO2 levels on Earth to rise.  Therefore it is global warming that causes CO2 to rise, not the converse, while decreases in solar radiation cause increases in cosmic radiation that impinges on Earth, ionizing some atmospheric gas molecules, thereby providing more condensation kernels that cause increases in cloud cover and therefore greater reflectivity of the Earth atmosphere and general cooling, reducing the amount of CO2 released into the atmosphere.(11)

It is no accident that the geological record shows that all ice ages happened during periods of low solar activity, while the intermediate warmer periods between ice ages happened during periods of high solar activity.

There is another, far more serious issue with the measuring of CO2 levels in proxy records, such as the measuring of CO2 content in bubbles trapped in glacier ice cores.  Not only do such measurements become confounded by serious and insurmountable technical obstacles, but according to Prof. Zbigniew Jaworowski the results of such measurements were seriously fudged by some scientists that obtained or used them, so as to fit measurements of historical CO2 levels in proxy records to the theory required to support the global warming ideology.  See:

Statement written for the Hearing before the US  Senate Committee on Commerce, Science, and Transportation:

Climate Change: Incorrect information on pre-industrial CO2

March 19, 2004
Statement of Prof. Zbigniew Jaworowski
Chairman, Scientific Council of Central Laboratory for Radiological Protection, Warsaw, Poland

Quoted from that statement:

The notion of low pre-industrial CO2 atmospheric level, based on such poor knowledge, became a widely accepted Holy Grail of climate warming models. The modelers ignored the evidence from direct measurements of CO2 in atmospheric air indicating that in 19th century its average concentration was 335 ppmv[11] (Figure 2). In Figure 2 encircled values show a biased selection of data used to demonstrate that in 19th century atmosphere the CO2 level was 292 ppmv[12]. A study of stomatal frequency in fossil leaves from Holocene lake deposits in Denmark, showing that 9400 years ago CO2 atmospheric level was 333 ppmv, and 9600 years ago 348 ppmv, falsify the concept of stabilized and low CO2 air concentration until the advent of industrial revolution [13].

The March 19, 2007 statement by Dr. Zbigniew Jaworowsky was expanded by him in an article titled "CO2: The Greatest Scientific Scandal of Our Time" (Spring/Summer 2007, pp.14 - 28, 21st CENTURY Science & Technology; 444 kB PDF file).
   That article contains a reference (short version) to Dipl. Biol. Ernst-George Beck's report on "180 YEARS OF ATMOSPHERIC CO2 GAS ANALYSIS BY CHEMICAL METHODS" published by Energy & Environment (Vol 18 No. 2 2007), comparing "90,000 accurate chemical analyses of CO2 levels in the air recorded from 1812 through 1961. This record shows a remarkedly different trend compared to the literature of UN's International Panel on Climate Change (IPCC)." (Abstract: Sunday, March 25, 2007, Beck's 138 year-long record of atmospheric CO2
   The report (short version) by Ernst-George Beck presents the following comparison between actual measurements of atmospheric CO2 levels and the values presented by the IPCC.

(Click on image to see full-resolution graph)

Note: Ferdinand Engelbeen has justified and somewhat serious reservations about the compilation by Ernst Beck.  He argues that in all likelihood only the minimum values compiled by Ernst Beck should have been used and that those do not vary much from the values measured in ice cores.


See also:

  • Biodiversity (Weeds vs. Non-Weeds) -- Summary, 2003 01 29, Center for the Study of Carbon Dioxide and Global Change  

  • Plant growth data at the Center for the Study of Carbon Dioxide and Global Change

Data categories:

Next Page: Glaciers, polar ice and rising oceans

Back to Global Warming Index Page

Posted 2002 09 26 (page broken up into several pages)
2002 10 08 (added comment relating to N. Calder's paper relating to CO2 and global warning)
2003 01 29 (added references to positive relationship between plant biomass and increased CO2 content in atmosphere)
2006 04 08 (added reference to Dr. Jaworowskis' proof that CO2 measurement data were seriously fudged to "prove" catastrophically large increases of CO2 emissions during the industrial explosion)
2007 09 10 (added reference to Ernst-George Beck's comparison of atmospheric CO2 measurements and the IPCC's fabricated hockey-stick curve)
2010 03 24 (added link to Ferdinand Engelbeen's critique of Ernst Beck's evaluation of historical CO2 measurements)