This edited volume interrogates the role of media technologies in the formation of environments, understood both as physical spaces and epistemological constructs about them. It is a timely addition for scholars and upper-level students in environmental humanities and media studies.

Adam Wickberg is a researcher in the history of media and environment at KTH Stockholm, Sweden, and a visiting research fellow at the Max Planck Institute for History of Science in Berlin (MPWIG I), Germany.

Johan Gärdebo is a researcher in the history of climate transition policies and environmental expertise at Uppsala University, Sweden, and a visiting research fellow at the University of Cambridge, UK.

1. Editors' Introduction: What is Environing Media?, Part 1: Colonial Environing Media, 2. Environing Empires and Colonial Media, Part 2: Planetary Environing Media, 3. Environing and the Human-Earth Relationship: Synchronizing Geo-Anthropology, 4. Planetary Environing: The Biosphere and the Earth System, 5. 1948, Part 3: Elemental Environing Media, 6. Winds, Miasma, Pollution: Pathologies of the Air as an Environing Medium, 7. Ocean Environing Media: Datafication of the Deep Sea, 8. Environing Time: Mediating Climate Modeling, 9. Timing the Ocean Floor: Environing Media and the Swedish Deep-Sea Expedition (1947-1948), Afterword: Catch the Vapors: Getting Steamrolled by Environing Media