This paper aims to examine the Royal National Theatre's 2015 production of Everyman (adapted by Carol Ann Duffy and directed by Rufus Norris) by defining its contemporary meaning through the lens of the Anthropocene. The production recreated Everyman as a modern person entirely indifferent to global environmental pollution and climate change until Death came to him to deliver God's message of Reckoning. Based on Everyman's modernized, atheistic, and selfish life, the paper analyses how the Christian values in the morality play Everyman and the contemporary issue of the Anthropocene resonated in this production. To this end, this study first examines the trends of the Anthropocene discourse in the 21st century and identifies which categories potentially converge or conflict with the religious tradition of Everyman. It then analyzes the production focusing on its allegorical characters and scenes adapted to reflect environmental issues. While two allegorical characters (God/Good Deeds and Death) were recreated as ordinary workers who clean and protect the earth, the newly added scenes (Everyman's birthday party and a tsunami) dramatized Everyman's greed and its consequent damage to the earth. This study shows that the National Theatre's production of Everyman expanded the tradition of morality plays, originally rooted in religious culture, to include timely topics through the Anthropocene discourse.