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Old March 17th 06, 08:26 PM posted to sci.environment,sci.space.policy,alt.global-warming,sci.geo.geology
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Default Carbon Dioxide - 381 ppm - 3.0 ppm/y


"bill" wrote
Additionally, atmospheric lifetime is wildly different from
half-life.


ah... No... The rate of destruction is proportional to the concentration.
Hence half life applies.