Geography professor Sarah Elwood sits at the front of a University of Washington classroom on a recent afternoon, listening and making suggestions as students discuss the data challenges they’re having. Some are wondering how to put data in a particular format. Others are muddling through the process of mapping data, or figuring out where to source information. “Think about who has the data you need, and how do you shake it loose from them?” Elwood says. “There are many public…

