From: John Cuccia 

On Mon, 17 Apr 2006 07:05:50 -0400, "Geo"  wrote:

>"John Cuccia"  wrote in message
>news:fk16425viuh1a9k9sk3f1nnmqj4pbpqulb{at}4ax.com...
>
>> That is, the sun emits UV radiation that falls on the earth and oceans
>> and warms them.  The earth and oceans then try to dump the excess
>> heat, but as less energetic IR radiation which is blocked by
>> greenhouse gases.  Glass does the same thing.
>
>Glass blocks UV radiation. You can't get sunburned thru glass skylights or
>windows (well it's almost impossible to anyway).

My point remains, though.  Greenhouse gases absorb re-radiated heat (in the
form of IR radiation), not incoming heat (in the form of visible light and
UV radiation).

--- BBBS/NT v4.01 Flag-5