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Re: Global Warming



Add nitrous oxides and CFCs both of which are _only_ due to human activity.
The CO2 concentration will have doubled from pre-industrial levels by the
middle of the current century. Data on atmospheric concentrations goes back
much farther than temperature data due to the use of trapped air in ice
cores taken from the arctic.

How do they take into account that the CO2 in trapped air in ice dissolves into the ice and can diffuse quite a distance. Or do they?


Doug Wendel
doug.wendel@snow.edu
Snow College
150 East College Ave.
Ephraim, UT 84627
(435) 283-7498