John Green's The Anthropocene Reviewed is a collection of personal essays where the author evaluates various facets of the human-centered planet on a five-star scale. Drawing upon diverse subjects ranging from pop culture and historical events to scientific concepts and everyday experiences, Green blends personal anecdotes with insightful observations, reflecting on humanity's impact and finding moments of wonder and connection amidst the complexities of our time. The essays often weave in historical context and scientific understanding to explore the nuances of seemingly ordinary topics, revealing deeper meanings about our existence.