Iowa Climate Science Education

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Water Vapor is by far the most significant Green House Gas (GHG)

The only defined mechanism by which CO2 can affect climate change is by affecting outgoing radiation between the wavelengths of 13 and 18 microns. Incoming visible radiation has a wavelength between 0.4 and 0.7 microns, and is consistent with a…

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600 Million Year Geologic Record

¬† The current CO2 level of 400 ppm is at the extreme low end of the past 600 million years. Plants and therefore most life will die if CO2 falls below 180ppm. CO2 has been as high at 7,000 ppm,…

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