After listening to commercials stating the "Clean up Iowa" amendment was not a tax increase, the Des Moines Register is calling for a tax increase to fund it.
Creating a special fund (with the next sales tax increase) and bureaucracy to manage it, this was approved by over 60% of voters. I think most people voted in favor of it because a clean environment sounds good, not thinking that someone enforces it.
Anyone who has had to deal with the state DNR would attest to their sometimes arbitrary rules and the spider web of regulations one has to go through.
Private property rights in Iowa died on November 2nd, 2010.