My broad interests are in global environmental history and the social and cultural history of twentieth-century Europe. I have recently finished an environmental history of the heyday of European imperialism, from roughly 1880 through the end of the colonial period to the present (Ecology and Power in the Age of Empire, 2017). The book explores the environmental transformations and interconnections associated with the explosive growth of commodity production and global trade in the tropical regions under European control - transformations that still visibly shape our world today - and how they fitted into broader patterns of social, cultural and political change. This concerns not only the impact of European (British, French, German, Dutch, Belgian) attempts to harness tropical ecosystems for economic gain, but also the role of indigenous patterns of resource use and colonial conservation efforts. I have also recently co-edited, with Paul Betts, a volume on Heritage in the Modern World, which reconsiders the role of historical preservation (of both the man-made and the ‘natural’) in the nineteenth and twentieth centuries from a global perspective.
I am currently starting on a new project examining the environmental history of the so-called 'Blue Revolution', the international effort to ‘develop’ fisheries in the global South over the course of the twentieth century.
My previous research has focused on different subjects, above all in two areas: the history of mass communications, publicity and popular culture; and the history of the former East Germany. In 2008 I completed a social history of the mass media in Germany which focuses on how the rapid expansion of modern communications and commercial entertainment fitted into the wider development of social, political and cultural life from the late Imperial period (c. 1890s) through the Third Reich. I also co-edited a volume (with Karl-Christian Führer) on media and society in 20th-century Germany, and another volume (with Fabrice d’Almeida and Pamela Swett) on pleasure and power under National Socialism, which explores the role of consumption, tourism, amusements, luxury goods and the like in sustaining, and at times undermining, Nazi authority. Prior to that, my first book explored the building of socialism in East Germany ‘from below’, and my second book offered the first overview of historiographic debates surrounding East Germany and its legacy.