I'm polluting, I'm paying, there's a cost stream, and there's something I can do about that. They simply treat it as a management decision. It's a bottom line issue. Let us suggest different ways in which you can abate your pollution at a reasonable cost, and then you can dispense with a lot of this cost. That's a good relationship between the agency and the business person.
Business people understand that.
We found remarkable changes of posture almost overnight. It's really quite phenomenal. In Colombia, in a case documented in this book, in the Rio Negro basin, near Medellin, there's a very nice operation by the local pollution control agency that does charges. Once they saw that this cost would be there forever, they started acting seriously to do something about it. So, our conclusion, this works well.