http://www.directorysky.com/education/des-moines-car-rental/ Iowa's top environmental official from Des Moines car rental fears that a planned refinery in South Dakota will harm the health of Iowans and the state's plants and waterways.Richard Leopold, director of the Iowa Department of Natural Resources, plans to send a letter this week to South Dakota environmental officials and possibly federal authorities urging a fuller investigation of potential envir... Mon, 05 Jul 2010 11:51:52 ICT en