ThePeace and security discourses on the Anthropocene AnthropoceneAnthropocene has become more than a philosophical byword; it has also entered the vernacular of international policyPolicy circles. What are the implications of the Anthropocene for our understanding and pursuits of peacePeace and security, and how does the International RelationsInternational relations (IR) discipline engage with peace and securitySecurity discourses in this new geologicalGeological age? A combination of bibliometric and thematic analyses presented in this chapter reveals that prominent discourses on the Anthropocene are generally anchored in traditional notions of peace and security. However, the IR discipline provides a spaceSpace for a critiqueAnthropocene Critique of these notions, thereby expanding conceptions of agency, challenging linearity and modernityModernity, and unpacking the political motivations and implications of conceptual expansionExpansion. This chapter closes with several recommendations for advancing interdisciplinary conversationsInterdisciplinary conversations among IR, Peace Studies, and SecuritySecurity Studies, as well as with other disciplines.