The Invasive Species Specialist Group (ISSG) operates under the auspices of the International Union for Conservation of Nature (IUCN), an organization dedicated to conserving biodiversity and sustainable use of natural resources globally. The ISSG focuses on the impactful conservation issues posed by invasive species, which can threaten native ecosystems, economic stability, and human health. This relates to the UPSC Prelims as it highlights the interconnectedness of conservation efforts and ecological balance, underscoring the importance of maintaining biodiversity in the face of global environmental challenges.