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Abstract

The ozone layer serves as a critical shield, protecting life on Earth from harmful ultraviolet (UV) radiation. However, human activities, particularly the use of chlorofluorocarbons (CFCs), have caused significant depletion of this protective layer. This article explores the role of CFCs in ozone depletion, the discovery of the ozone hole, and the subsequent global response led by the Montreal Protocol. The protocol’s success in phasing out ozone-depleting substances highlights the importance of international cooperation, scientific research, and adaptive policymaking. While the ozone layer is on the path to recovery, challenges such as managing alternative substances and ensuring compliance remain. The fight against CFCs stands as a powerful example of how humanity can address global environmental crises through collaboration and innovation.The ozone layer, a fragile shield of gas situated in the Earth’s stratosphere, plays a critical role in protecting life on Earth by absorbing the majority of the sun’s harmful ultraviolet (UV) radiation. For decades, this natural barrier faced a significant threat from human activity, particularly the release of chlorofluorocarbons (CFCs). The fight against these harmful chemicals stands as a landmark example of global cooperation and environmental conservation.