She reports on the environment, science and technology for the German national public radio network Deutschlandradios and for online and print media such as ZEIT and taz, die tageszeitung. Together with journalists from around the globe, Kreiger experiments with trans-boundary environmental journalism within the Climate News Mosaic. The group’s first project was a “glocal” live-blog covering the 2013 climate summit in Warsaw, published on nine different media platforms. Kreiger holds a graduate degree in cultural sciences from the European University Viadrina in Frankfurt (Oder), and has studied abroad at the University of Salamanca in Spain and as a visiting scholar at the University of California at Berkeley's Department of Anthropology.