[GBlist] Direct, observational evidence: greenhouse effect <Nature>

["Bion D. Howard" <bdhoward@ix.netcom.com>]

>Study Provides Direct Confirmation of Greenhouse Effect
>
>A study published in the March 15th edition of Nature claims
>to provide the first direct, observational evidence that the
>Earth's greenhouse effect increased in the past 30 years. The
>study compared satellite measurements of infrared radiation
>from 1970 with similar measurements made in 1997 and
>showed that the amount of outgoing radiation has changed.
>According to the researchers, the change in outgoing
>radiation implies a change in the way greenhouse gases are
>trapping heat within the atmosphere. The study also showed
>that changes could be correlated with the spectra of known
>greenhouse gases. The study was performed at the Imperial
>College in London. See the Imperial College press release at:
>  <http://www.ic.ac.uk/templates/text_3.asp?P=2639>
>
>Nature   <http://www.nature.com/>

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