Hii.... In my opinion it is always greed of industry - farming, manufacturing etc - they will pollute if the penalties or regulations allow them to - if the fines are less than profit, there is no criminal penalties or the laws/regulations aren't enforced LEAF SWIVEL-NICKEL PLATED - LEAF SWIVELNP-X. Most times it is all three beniftes which we try to gain...Fishing is more profitable if our mengment skills are heigh...