CHECK OUT THESE LINKS! DIFFERENT WAYS ARTISTS HAVE SORT TO RESOLVE ISSUES OF WATER POLLUTION EFFECTING THE HUDSON RIVER

River Glow is a floating illuminated sculptural object that senses pollution and changes colors to inform the public.

http://www.ericforman.com/menu.html?jumpTo=river%20glow

Beacon Institute: REON, narrated by John Cronin

http://www.youtube.com/watch?v=LUMghS3jRP0