Environmental health expert David Cwiertny discusses nitrate levels, water regulation, and the science behind Iowa’s cancer concerns.

The New York Times Opinion desk profiled the University of Iowa's Iowa Flood Center and how it has been critical resource in mitigating flash flooding for cities and towns across Iowa, such as Riverdale. "The mayor knows how lucky he is to have the Iowa Flood Center: it’s the technology of the gauges and their modeling predictions, and, importantly, the human experts on call in a crisis."