(meteorobs) "global dimming" and seeing?

[Steven Kolins]

Anyone seen any research on implications of global dimming

(
  http://www.pbs.org/wgbh/nova/sun/

http://en.wikipedia.org/wiki/Global_dimming

http://www.bbc.co.uk/sn/tvradio/programmes/horizon/ 
dimming_prog_summary.shtml
)

and astronomy?

Is this just the light haze we've always been aware of or is it that  
plus an actual diminuition of the transparency of the atmosphere?
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Steven Kolins
mailto:smkolins at mac.com
http://homepage.mac.com/smkolins/
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