The current research affords a metal-free photocatalytic visible-light-driven protocol in addressing the plastic waste disaster. The response makes use of photocatalytic C-H bond activation to deconstruct polystyrene (PS) waste into beneficial merchandise at ambient circumstances (1 bar O2, 250 W Hg lamp) in an ethyl acetate/acetonitrile solvent system. The excessive floor space metal- free photocatalyst was synthesised utilizing flow-assisted exfoliation and demonstrated excessive selectivity for acetophenone and PS conversion in daylight. The research presents a promising and sustainable method to fight plastic air pollution by introducing the idea of seen mild photocatalysis for polymer deconstruction. The know-how affords a easy, reproducible, eco-friendly technique that might considerably contribute to a round economic system to supply wealth (chemical substances) from waste. Detailed characterisations, management experiments, and scavenging research have been performed to suggest the mechanism of PS upcycling to acetophenone and benzoic acid. The photocatalytic C-H activation showcased on this research might encourage materials scientists and catalysis researchers to create uncomplicated, metal-free photocatalysts that may activate different bonds with excessive dissociation vitality, resulting in the formation of essential artificial intermediates of business significance. This know-how represents an important step in direction of extra environment friendly and sustainable strategies for combatting plastic air pollution, highlighting the potential of inexperienced chemistry for creating sustainable options to environmental challenges.