In May 2021, Mohamad Amer Meziane published his first book, Des empires sous la terre: Histoire écologique et raciale de la sécularisation (Subterranean Empires: Ecological and Racial History of Secularization). We speak with him about the ambitious work he develops in this book, linking European secularization (and Europe’s definition of what constitutes religion) with colonial extractivism from the first industrial revolution to the alteration of the world’s climate. Mohamad Amer Meziane holds a PhD in Philosophy from Paris 1 Panthéon-Sorbonne University. He is currently a Post-doctoral Research Fellow at the Institute for Religion Culture and Public and the Institute of African studies at Columbia ...