In this block seminar, students will gain the necessary knowledge to understand the political aspects of the climate crisis, with a specific focus on climate change mitigation policy. Students will learn about the origins of environmental crises, their effects on political systems, the potentialities and difficulties of finding solutions to them. The first part of the course focuses on understanding contemporary environmental crises through an interdisciplinary social sciences lens, introducing the key concepts of the course, as well as the fundamentals science behind climate change. The second part introduces students to the different ways to conceptualise the climate crisis as a political phenomenon. The third part will go deeper in the political challenges of climate policymaking and decarbonisation, drawing from the newest contributions from comparative politics and political economy.