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Old 05-22-2009, 03:46 PM   #21
EnderWiggin
Sine Amore Nihil Est Vita
 
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Join Date: Jul 2004
Location: Pennsylvania
Posts: 3,395
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Quote:
Originally Posted by SkinWalker View Post
Consider the following argument:
  • Global CO2 emissions have increased greatly in the last few hundred years and are strongly correlated to human industrial advances.
  • We know that CO2 is a by-product of the use of fossil fuels. Fossil fuels dominate our energy production.
  • CO2 has the effect of trapping radiative energy from the Sun, which gets reflected back to the surface of the planet.
  • The global mean temperatures are in a rising trend when observational data is analyzed.
  • Since CO2 is created through human activity, it can be concluded that human activity is at least a partial cause of global warming.

What weaknesses exist in the premises that lead to the conclusion?
i.e. Syllogisms aren't so scary after all

_EW_



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