Radio Iowa: More than 150 scientists from 36 colleges and universities in Iowa are jointly issuing a call for action against global warming. The director of the Climate Science Program at Iowa State, Gene Takle, is one of the lead authors of the group`s Iowa Climate Statement for 2013. "The last couple of years have underscored the fact that we are very vulnerable to weather conditions and weather extremes in Iowa," Takle says. Both years were marked by heavy spring rains followed by droughts that damaged...