I have been sailing on the River Medway in Kent and came across two
paper factories discharging huge quanitites of effluent into the tidal
part of the Medway. I thought we had stopped doing this to our rivers

the clip of the pipes is on you tube - last three minutes is about the
paper factories

http://uk.youtube.com/watch?v=ER-sJQOAZcg

the rest of the vids are here

http://uk.youtube.com/user/KeepTurningLeft