Mayer, Maximilian: Gaia Theory, Ecovillages, and IR Taking Material Limits Seriously: An Interview with Karen Litfin by Maximilian Mayer. In: Maximilian Mayer, Mariana Carpes, and Ruth Knoblich (eds.): The Global Politics of Science and Technology Vol. 1 – Concepts from International Relations and Other Disciplines. Heidelberg: Springer Verlag 2014 (forthcoming).