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Misperception # 1
The amount of CO2 generated from fossil fuel consumption by
humans over the last century is far too small to significantly
affect the Earth's climate. This misperception took the form
of the following statement in a recent letter to the
Only 1 molecule out of every 10,000 in the atmosphere represents CO2
added due to fossil fuel combustion in the last 100 years.
("Pennies" were used to illustrate this point in lieu of
Response to Misperception # 1
Misperception # 2
Water vapor is a more important greenhouse
gas than carbon dioxide and therefore concern about carbon dioxide
Response to Misperception # 2
Misperception # 3
Climate scientists are evenly
divided about whether:
a) The Earth has been warming over the last several decades
b) Human activities play a major role in this warming
Response to Misperception # 3
Misperception # 4
Volcanoes produce more CO2 than human activities.
Response to Misperception # 4
Misperception # 5
All the climate scientists predicted a coming ice age just 40
years ago, but now they are all telling us that the Earth will be
getting dangerously warm. Why should we believe them now?
Response to Misperception # 5
Misperception # 6
A common fallacious argument is that Norse settlements in
Greenland about 1000 years ago show that present global warming is
just due to natural causes. The archeological and physical
scientific evidence is discussed in detail to explain why this
argument is, in fact, fallacious.
Response to Misperception # 6
Dr. Ray Weymann
Webmaster Walter Reil