Breadcrumb Home In Iowa City, it's never too cold to bike Wednesday, December 11, 2013 EOS http://thegazette.com/2013/12/11/in-iowa-city-its-ever-too-cold-to-bike/ The University of Iowa Office of Sustainability and the Bicycle Advisory Committee are using a Winter Warrior Bike Challenge to encourage biking as a sustainable form of transportation, even when temperatures drop.